Analog electronics is a branch of electronics that deals with continuous signals, as opposed to digital electronics, which deals with discrete sign...

In magnetostatics, boundary conditions are used to describe the behavior of magnetic fields at the interfaces between different materials. These co...

Lens aberration is a phenomenon that occurs when light rays passing through a lens do not converge at a single point, resulting in a distorted or i...

An absorption spectrum is a graph that shows the amount of light absorbed by a substance as a function of the wavelength of light. It is a characte...

An alternating current (AC) circuit is a circuit in which the current periodically reverses direction. This is in contrast to a direct current (DC)...

An AC motor is an electric motor that converts alternating current (AC) into mechanical energy. AC motors are widely used in industrial and commerc...

An acceleration time graph is a graphical representation of the acceleration of an object over time. It is a useful tool for analyzing the motion o...

Acoustics is the science that deals with the production, control, transmission, reception, and effects of sound. It is a branch of physics that stu...

Paramagnetic materials are a class of materials that exhibit a weak attraction to magnetic fields. This attraction is caused by the presence of unp...

The rising and setting of the sun are daily phenomena that mark the beginning and end of each day. While we generally think of these events as occu...

An ammeter is a measuring instrument used to measure the strength of an electric current in amperes. It is a device that allows the user to determi...

An anemometer is a device used to measure wind speed and direction. It is commonly used in meteorology, climatology, and other fields that require ...

Angular acceleration is the rate at which an object's angular velocity changes. It is measured in radians per second squared (rad/s²).

Dynamic lift is a phenomenon that occurs when an object moves through a fluid, such as air or water. It is the force that acts perpendicular to the...

The Sun, our closest star, is a hot ball of glowing gases that emits vast amounts of energy. It consists of several layers, each with its unique ch...

An LCR series circuit is a circuit that consists of an inductor (L), a capacitor (C), and a resistor (R) connected in series. The current in an LCR...

Radiation is the emission or transmission of energy in the form of waves or particles. It can be classified into two main types: ionizing and non-i...

A lemon battery is a simple electrochemical cell that uses a lemon as the electrolyte. It is a fun and easy way to demonstrate the principles of el...

Ohm's law is a fundamental principle in electrical engineering and physics that describes the relationship between voltage, current, and resistance...

Power factor is a measure of how efficiently electrical power is used in an alternating current (AC) circuit. It is defined as the ratio of the rea...

In an alternating current (AC) circuit containing a pure resistor, the current and voltage are in phase, meaning they reach their maximum and minim...

Power transformers are essential components of electrical power systems, enabling the efficient transmission and distribution of electricity. Their...

A pressure gauge is a device used to measure the pressure of a fluid (liquid or gas) or gas. It is typically used in industrial and commercial sett...

The ideal gas law is a fundamental equation in physics that describes the behavior of gases under various conditions. It provides a mathematical re...

Pressure is a physical quantity that measures the force applied perpendicular to the surface of an object per unit area. It is a scalar quantity, m...

A calorimeter is a device used to measure the amount of heat released or absorbed during a chemical reaction or physical change. It is an essential...

Electrolytic capacitors are polarized capacitors that use an electrolytic solution as one of the plates. They are typically made of aluminum or tan...

The propagation constant is a complex number that describes how a wave propagates through a medium. It is defined as the square root of the product...

The proton is a subatomic particle that is found in the nucleus of an atom. It is one of the three main types of subatomic particles, along with th...

Electron spin is a fundamental property of electrons, which is related to their intrinsic angular momentum. It is a vector quantity and can be eith...

A pulley system is a mechanical device that consists of one or more pulleys and a rope or cable that runs through them. Pulleys are used to lift or...

A communication system is a collection of components that allows information to be transmitted from one place to another. In electronics, communica...

Pulse Width Modulation (PWM) is a technique used to control the power delivered to a load by varying the width of the pulses of a periodic waveform...

An electroscope is a simple device used to detect the presence and type of electric charge. It consists of a metal rod with a small, lightweight ob...

Quantization is a process of converting a continuous signal into a discrete signal. This is done by dividing the continuous signal into a finite nu...

An electrostatic precipitator (ESP) is a device that removes particulate matter from a gas stream by applying an electrical charge to the particles...

In electrostatics, boundary conditions are the conditions that must be satisfied by the electric field and the electric potential at the boundaries...

Radiation pressure is the force exerted on an object by electromagnetic radiation. It is a real and measurable force, although it is usually very s...

Radiation is the emission or transmission of energy in the form of waves or particles. It can be classified into two types: ionizing and non-ionizing.

Radioactivity is the process by which unstable atoms lose energy by emitting radiation in the form of particles or electromagnetic waves. This proc...

The Faraday constant, denoted by the symbol F, is a fundamental physical constant that relates the charge of one mole of electrons to the amount of...

The radius of gyration is a measure of the distribution of mass within an object. It is defined as the distance from the object's center of mass to...

Ferromagnetic materials are a class of materials that exhibit strong magnetic properties due to the alignment of their atomic magnetic moments. The...

Raman scattering is a spectroscopic technique used to study vibrational, rotational, and other low-frequency modes in a system. It is based on the ...

Rare earth magnets are a class of permanent magnets made from alloys of rare earth elements. They are the most powerful type of permanent magnet, a...

The magnitude of the electrostatic force between two point charges is given by Coulomb's law:

Force is a physical quantity that describes an interaction that can change the motion of an object. It is measured in newtons (N) in the Internatio...

Reactance and impedance are two important concepts in electrical engineering. They are used to describe the behavior of electrical circuits when al...

A rectifier is an electrical device that converts alternating current (AC) into direct current (DC). The process of converting AC to DC is known as...

Friction is the force that opposes the relative motion of two objects in contact. It is a fundamental force in nature that affects everything from ...

Frictional force is the force that opposes the relative motion of two objects in contact. It is a non-conservative force, meaning that the work don...

The Galilean transformation is a mathematical transformation that describes the relationship between the coordinates of an object in two different ...

The refractive index of a material is a measure of how much light bends when passing through it. It is defined as the ratio of the speed of light i...

A gauge is a type of meter that measures the magnitude of a physical quantity. Gauges are used in a wide variety of applications, including measuri...

Refrigeration is the process of removing heat from a substance or space, resulting in a lower temperature. It is used in a wide range of applicatio...

A Geiger counter is a device used to detect and measure ionizing radiation, such as gamma rays and X-rays. It is named after the German physicist H...

In physics, amplitude and frequency are two fundamental properties of a periodic wave. Amplitude refers to the maximum displacement of a wave from ...

Pressure is a physical quantity that measures the force applied perpendicular to the surface of an object per unit area. It is a scalar quantity, m...

The Hall effect is the production of a voltage difference (the Hall voltage) across a conductor, usually a metal, when it is subjected to a magneti...

The Beta function and the Gamma function are two closely related special functions that play a fundamental role in various areas of mathematics, st...

Halley's Comet is a bright comet that orbits the Sun every 75 to 76 years. It is one of the most famous comets in history and has been observed by ...

The critical angle, also known as the limiting angle, is a crucial concept in the field of optics, particularly in the study of light refraction an...

A harmonic oscillator is a system that, when displaced from its equilibrium position, experiences a restoring force proportional to the displacemen...

Escape velocity is the minimum speed an object needs to escape the gravitational pull of a massive body, such as a planet or moon. Once an object r...

In chemistry, $Kp$ refers to the equilibrium constant for a chemical reaction expressed in terms of partial pressures of the gaseous reactants and ...

English mathematician and physicist who is widely credited as one of the most influential scientists of all time.

Humidity refers to the amount of water vapor present in the air. It is an essential component of the Earth's atmosphere and plays a crucial role in...

Pressure and density are two fundamental properties of matter that are closely related. Pressure is the force per unit area exerted by a substance,...

Huygens' principle is a method for understanding how waves propagate. It was developed by the Dutch scientist Christiaan Huygens in the 17th centur...

Young's modulus, also known as the modulus of elasticity, is a measure of the stiffness of a material. It is defined as the ratio of the stress (fo...

Relative humidity (RH) is a measure of the amount of water vapor present in the air compared to the maximum amount of water vapor the air can hold ...

Hydrostatic pressure is the pressure exerted by a fluid at rest due to the force of gravity. It is a scalar quantity and is measured in pascals (Pa...

Resistivity is a measure of how strongly a material opposes the flow of electric current. It is defined as the electrical resistance of a material ...

A hysteresis loop is a graphical representation of the relationship between the magnetic field strength (H) and the magnetization (M) of a material...

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resis...

Infrared radiation (IR) is a type of electromagnetic radiation that is invisible to the human eye. It is located on the electromagnetic spectrum be...

Resolving power is the ability of an optical instrument to distinguish between two closely spaced objects. It is usually measured in terms of the m...

An integrated circuit (IC), also known as a chip or microchip, is a small electronic circuit made of semiconductor material that has been fabricate...

Resonance is a phenomenon that occurs when a system is subjected to a periodic force that matches its natural frequency of vibration. This causes t...

Reverberation is the persistence of sound in a space after the sound source has stopped. It is caused by the reflection of sound waves off surfaces...

The International Space Station (ISS) is a modular space station in low Earth orbit. It is a joint project of five participating space agencies: NA...

A rheostat is a variable resistor used to control the flow of electric current. It consists of a resistive element, usually a wire, and a sliding c...

Ionizing radiation is a type of high-energy radiation that has enough energy to remove tightly bound electrons from atoms, resulting in the formati...

Satellite communication is a type of wireless communication that uses satellites to relay signals between two or more points on Earth. It is used f...

An isothermal process is a thermodynamic process in which the temperature of the system remains constant. This means that the internal energy of th...

A scintillation counter is a device used to detect and measure ionizing radiation. It consists of a scintillator, a photomultiplier tube (PMT), and...

The James Webb Space Telescope (JWST) is a space telescope under construction and development by NASA, the European Space Agency (ESA) and the Cana...

The Seebeck effect is the conversion of temperature differences directly into electrical energy. It is named after the German physicist Thomas Joha...

A Junction Field-Effect Transistor (JFET) is a type of field-effect transistor that uses a semiconductor junction to control the flow of current. J...

A seismograph is a device that records the motion of the ground during an earthquake. The first seismographs were invented in China in the 2nd cent...

A junction transistor is a semiconductor device that acts as an electronic switch or an amplifier. It is made of three layers of semiconductor mate...

Resonance is a phenomenon that occurs when a system is subjected to a periodic force whose frequency is equal to or close to the system's natural f...

Shear stress is the force per unit area that acts parallel to the surface of a material and causes it to deform. It is expressed in units of pascal...

Kinetic friction is the force that opposes the motion of an object when it is in contact with another surface and moving relative to that surface. ...

Lambert's Cosine Law, also known as the cosine emission law, describes the relationship between the intensity of light emitted by a surface and the...

Sliding friction is the force that opposes the relative motion of two solid surfaces in contact. It is a type of kinetic friction, which is the for...

Laplace correction is a technique used in probability theory and statistics to adjust the probabilities of events in order to account for the fact ...

A solar eclipse occurs when the Moon passes between the Sun and Earth, and the Moon's shadow falls on Earth's surface. Solar eclipses are rare even...

A laser diode is a semiconductor device that emits coherent light when an electric current is passed through it. Laser diodes are used in a wide va...

A solenoid is an electromechanical device that converts electrical energy into mechanical energy. It consists of a coil of wire wrapped around a me...

A laser is a device that emits light through a process called stimulated emission. The term "laser" originated as an acronym for "light amplification by stimulated emission of radiation".

A solenoid is an electromechanical device that converts electrical energy into mechanical energy. It consists of a coil of wire wrapped around a me...

The Millikan oil drop experiment was a series of experiments conducted by Robert Millikan and Harvey Fletcher between 1909 and 1913. The experiment...

Solid-state physics is the study of the physical properties of solids, including their electronic structure, thermal properties, mechanical propert...

Sonification is the process of converting data into sound. This can be done for a variety of purposes, such as:

The Moon is the fifth largest moon in the Solar System and the largest in our own. It is a natural satellite of Earth, orbiting it at an average di...

A sonometer is a scientific instrument used to measure the frequency of sound waves. It consists of a stretched string, a fixed pulley, a movable p...

Motion in a plane is the movement of an object in two dimensions. It can be described by the object's position, velocity, and acceleration.

Murphy's Law is a popular adage that states that "anything that can go wrong, will go wrong." It is often used to describe the unexpected and often pessimistic nature of real-world situations.

The Navier-Stokes equations are a set of partial differential equations that describe the motion of viscous fluids. They are named after the French...

The Special Theory of Relativity, proposed by Albert Einstein in 1905, is a fundamental theory in physics that describes the relationship between s...

Specific gravity is a measure of the density of a substance relative to the density of water. It is defined as the ratio of the density of a substa...

Viscosity is a property of fluids that describes their resistance to flow. It is caused by the interaction of the molecules in the fluid, which col...

Newton's Second Law of Motion is a fundamental principle in classical mechanics that describes the relationship between an object's mass, accelerat...

Speed is a measure of how fast an object is moving. It is calculated by dividing the distance traveled by the time taken to travel that distance. S...

Complete guide to Newton's third law including action-reaction pairs, applications, examples, rocket propulsion for NEET physics

In physics, the normal force is the force exerted by a surface on an object in contact with it, perpendicular to the surface. It is also known as t...

Nuclear force is the force that holds protons and neutrons together inside an atomic nucleus. It is one of the four fundamental forces in nature, a...

An optical bench is a stable platform used to hold and align optical components, such as lenses, mirrors, and prisms, in a precise and repeatable m...

Paramagnetism is a form of magnetism that occurs when certain materials are exposed to an external magnetic field. These materials, known as parama...

A pendulum is a weight suspended from a pivot so that it can swing freely. When the pendulum is displaced from its equilibrium position, it will os...

Periscope is a live video streaming app that allows users to broadcast live video to their followers. It was launched in 2015 and was acquired by T...

In quantum mechanics, the angular momentum of an electron is a fundamental property that describes the electron's rotational motion. It is a vector...

Angular velocity is a measure of how fast an object is rotating. It is defined as the rate of change of the angular displacement of an object with ...

Antimatter is a type of matter that is composed of antiparticles, which are the opposite of their corresponding particles. For example, the antipar...

Average speed is the total distance traveled divided by the total time taken to travel that distance. It is a measure of how fast an object is movi...

Avogadro's Hypothesis states that under the same conditions of temperature and pressure, equal volumes of gases contain an equal number of molecule...

A balanced force occurs when the net force acting on an object is zero. This means that the forces acting on the object are equal in magnitude and ...

Ballistics is the science of the motion of projectiles. It is a branch of physics that deals with the behavior of projectiles in flight, including ...

The band theory of solids is a fundamental concept in solid-state physics that describes the electronic structure of materials. It provides a frame...

A bar magnet can be considered as an equivalent solenoid, which is a coil of wire that carries an electric current and creates a magnetic field. Th...

A barometer is a scientific instrument used to measure atmospheric pressure. It is a device that measures the weight of the air above a given point...

Bell's theorem is a no-go theorem in quantum mechanics that states that no physical theory can reproduce all the predictions of quantum mechanics w...

Bernoulli's principle is a fundamental principle in fluid dynamics that describes the relationship between fluid velocity, pressure, and height. It...

A bipolar junction transistor (BJT) is a three-terminal electronic device that acts as an amplifier or switch. It is made of semiconductor material...

Black body radiation refers to the electromagnetic radiation emitted by an ideal black body. A black body is a theoretical concept that absorbs all...

The Boltzmann constant, denoted by the symbol $kB$, is a fundamental physical constant that relates the average kinetic energy of particles in a sy...

Braille is a tactile writing and reading system used by blind and visually impaired people. It was invented by Louis Braille, a blind Frenchman, in...

Buoyant force is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In other words, it is the upwa...

A calorimeter is a device used to measure the heat involved in a chemical reaction or physical change. It is typically made of metal and is insulat...

The centre of mass of an object is the point where all of its mass is evenly distributed. It is also known as the centroid or the geometric centre.

Centripetal force is the net force that acts on an object moving in a circular path, pulling it toward the center of the circle. It is directed tow...

Charge transfer is the movement of electrons from one atom or molecule to another. It is a fundamental process in chemistry and biology, and it pla...

Induction charging is a method of wirelessly transferring electrical energy between two objects. It is based on the principle of electromagnetic in...

Cherenkov radiation is a unique and fascinating optical phenomenon that occurs when a charged particle moves through a medium at a speed greater th...

A circuit breaker is a protective device that automatically switches off an electrical circuit when the current exceeds a safe level. This prevents...

An electric circuit is a path that allows electricity to flow. It consists of a source of electrical energy, such as a battery, and a load, such as...

The Clausius statement of the second law of thermodynamics is one of the fundamental principles of thermodynamics. It states that heat cannot spont...

In physics, a coherent source is a source of waves that have a constant phase relationship with each other. This means that the waves from a cohere...

Collisions occur when two or more objects come into contact with each other. There are different types of collisions, each with its own characteris...

A commutator is a mechanical device used in direct current (DC) motors and generators to reverse the direction of current flow in the armature wind...

A compound microscope is a type of microscope that uses two or more lenses to produce a magnified image of a specimen. The objective lens, which is...

A concave lens, also known as a diverging lens, is a type of lens that causes light rays to diverge (spread out) after passing through it. Unlike a...

Conductors and insulators are two important concepts in the field of electricity. Conductors are materials that allow electricity to flow through t...

A conservative force is a force that does work on an object that depends only on the initial and final positions of the object and not on the path ...

A constellation is a group of stars that form a recognizable pattern in the night sky. Constellations have been used for centuries by astronomers t...

A cyclic process is a process that repeats itself over and over again. It is a closed loop, with no beginning or end. Cyclic processes are found in...

A cyclotron is a type of particle accelerator that uses a strong magnetic field to accelerate charged particles in a circular path. It was invented...

The Davisson-Germer experiment was a landmark experiment in physics that demonstrated the wave-particle duality of matter. It was conducted by Clin...

A DC generator is an electrical machine that converts mechanical energy into direct current (DC) electrical energy. It is based on the principle of...

A decibel (dB) is a unit of measurement used to express the relative intensity of a sound. It is a logarithmic unit, which means that it expresses ...

Delta modulation (DM) is a simple form of analog-to-digital conversion (ADC) that uses a one-bit quantizer to represent the difference between the ...

The equation of motion is a fundamental concept in physics that describes the behavior of objects in motion. It provides a mathematical framework t...

The Lorentz transformation is a mathematical transformation that describes how space and time are related in special relativity. It was developed b...

Complete guide to potential energy derivation including gravitational potential energy, elastic potential energy, chemical potential energy, formula for NEET physics

The prism formula is an equation that describes the angle of deviation of a light ray passing through a prism. It is given by:

Deuterium is a naturally occurring isotope of hydrogen with a nucleus containing one proton and one neutron, making it twice as heavy as the most c...

Diamagnetism is a form of magnetism that occurs in all materials, but it is usually very weak. It is caused by the orbital motion of electrons in r...

The centre of gravity (CG), also known as the centre of mass, is the point where all the mass of an object is considered to be concentrated. It is ...

Sound waves are mechanical waves that travel through a medium, such as air, water, or solids. They are caused by the vibration of particles in the ...

Atomic spectra are the characteristic patterns of electromagnetic radiation emitted or absorbed by atoms. They are caused by the transitions of ele...

Kinetics is the branch of physical chemistry that deals with the rates of chemical reactions. It is a fundamental science that has applications in ...

A mirror is a reflective surface, usually made of glass with a metallic coating, that reflects light and images. Mirrors are used to see reflection...

A real image is an image that is formed by the convergence of light rays. It can be projected onto a surface, such as a screen or a wall. Real imag...

RTD stands for Resistance Temperature Detector. It is a temperature sensor that uses the principle of resistance change with temperature to measure...

A simple microscope, also known as a magnifying glass, is a basic optical instrument that produces magnified images of small objects. It consists o...

A solar eclipse occurs when the Moon passes between the Sun and Earth, and the Moon's shadow falls on Earth. This can only happen during a new moon...

In physics, motion is a fundamental concept that describes the change in position of an object over time. Two key concepts related to motion are ve...

Enthalpy is a thermodynamic property that measures the total energy of a system, including its internal energy and the energy associated with its p...

A diode is a two-terminal electronic component that allows current to flow in only one direction. This property makes diodes useful for a variety o...

A magnet is a material or object that produces a magnetic field. This magnetic field is invisible, but it can be detected by its effects on other m...

A manometer is a device used to measure pressure in a fluid, typically a gas or liquid. It consists of a vertical tube with one end open to the atm...

A deuteron is a stable isotope of hydrogen with a nucleus containing one proton and one neutron, bound together by the strong nuclear force. It is ...

The mean free path of a particle is the average distance it travels before undergoing a collision with another particle. It is an important concept...

A permanent magnet is a material or object that produces its own magnetic field without the need for an electric current. The magnetic field of a p...

Perpetual motion is the idea of a machine that can operate indefinitely without an external energy source. This concept has fascinated inventors an...

A photon is an elementary particle that is the quantum of light and all other forms of electromagnetic radiation. It is the basic unit of light and...

A photovoltaic (PV) cell, also known as a solar cell, is a device that converts light energy into electrical energy. The process of converting ligh...

A PIN diode is a type of semiconductor diode that has a wide, intrinsic semiconductor region between its p-type and n-type regions. This intrinsic ...

A plane mirror is a flat, reflective surface that produces an image of an object by reflecting light rays. It is also known as a flat mirror or a l...

A PN junction diode is a semiconductor device that allows current to flow in one direction only. It is made by joining two pieces of semiconductor ...

Poisson's ratio is a measure of a material's tendency to deform in one direction when subjected to stress in another direction. It is defined as th...

A spherometer is a device used to measure the radius of curvature of a spherical surface. It consists of a metal base with a micrometer screw attac...

A sphygmomanometer is a device used to measure blood pressure. It consists of an inflatable cuff wrapped around the upper arm, connected to a manom...

A star is a luminous ball of gas, mostly hydrogen and helium, that produces its own light and heat through nuclear fusion reactions in its core. St...

Static friction is the force that opposes the movement of two objects in contact with each other when they are not moving relative to each other. I...

Statistical mechanics is a branch of physics that uses probability theory to describe the macroscopic properties of large systems of particles. It ...

String theory is a branch of theoretical physics that proposes that the point-like particles of particle physics are not actually points, but rathe...

A synchrotron is a type of particle accelerator that uses electromagnetic fields to propel charged particles to high speeds and energies. Synchrotr...

Tension force is a pulling force that acts along the length of an object, tending to stretch or elongate it. It is not one of the four fundamental ...

Terminal velocity is the constant speed at which an object falls through a fluid (such as air or water) when the resistance of the fluid to the obj...

The Seven Defining Constants are a set of fundamental physical constants that are used to describe the universe. They are:

Thermal diffusivity is a measure of how quickly heat flows through a material. It is defined as the ratio of the thermal conductivity to the heat c...

Thermal expansion is the phenomenon in which the dimensions of a solid object increase when its temperature is raised. This is due to the increased...

Thermal stress is a type of mechanical stress that occurs due to a difference in temperature within a material or between two materials in contact....

In 1840, a British scientist named James Prescott Joule found out that the heat generated in an electric circuit is directly related to the circuit...

Magnetic lines of force are a way of visualizing the magnetic field around a magnet. They are imaginary lines that show the direction and strength ...

A micrometer, also known as a micrometer screw gauge or simply a micrometer, is a device used for precise measurement of small distances. It is a v...

Timbre is a perceptual attribute of sound that allows us to distinguish between different sounds, even when they have the same pitch and loudness. ...

Time dilation is a phenomenon in which time appears to pass more slowly for an observer in relative motion than for an observer at rest. This is a ...

A toric lens is a type of contact lens or intraocular lens (IOL) that corrects astigmatism, a condition in which the cornea or lens of the eye is n...

Torque is a measure of the twisting force applied to an object. It is defined as the product of the force applied to an object and the perpendicula...

Total internal reflection (TIR) is a phenomenon that occurs when light traveling in a denser medium strikes a boundary with a less dense medium at ...

A transducer is a device that converts one form of energy into another. Transducers are used in a wide variety of applications, including:

A transistor is a semiconductor device that acts as a switch or an amplifier. It is made of three layers of semiconductor material, with the middle...

Translatory motion is a type of motion in which an object moves from one place to another without rotating about an axis. In other words, it is a m...

Translucent materials are those that allow light to pass through them, but not in a clear and distinct way. They scatter light, making it difficult...

Batteries are devices that store chemical energy and convert it into electrical energy. They are used in a wide variety of applications, from small...

A cable is a flexible structure made of one or more strands of wire, rope, or other flexible material. Cables are used to transmit electrical power...

Connectors are devices or components that establish a connection between two or more systems, devices, or networks. They facilitate the exchange of...

DC motors are classified into various types based on their construction, winding, and commutation methods. Each type has its unique characteristics...

Motion is the change in the position of an object over time. There are different types of motion, each with its own characteristics.

Motors are devices that convert electrical energy into mechanical energy. They are used in a wide variety of applications, from small appliances to...

Radiation is the emission or transmission of energy in the form of waves or particles. There are different types of radiation, each with its own ch...

Resistors are passive electronic components that impede the flow of electric current by introducing resistance. They are used in a wide range of el...

Switches are devices used to control the flow of electricity in a circuit. They can be classified into various types based on their construction, o...

Uniform circular motion is the motion of an object moving at a constant speed along a circular path. The object's velocity is constantly changing d...

A unit of resistance is a measure that impedes the flow of electric current. The most common type of unit of resistance is the ohm, which is a unit...

In science, a unit is a standard quantity used to measure other quantities of the same kind. Units are essential for communication and comparison o...

Optical fibres are thin, flexible strands of glass or plastic that transmit light signals over long distances. They are used in a wide variety of a...

Transformers are electrical devices that transfer electrical energy from one circuit to another through inductively coupled conductors—the transfor...

A Zener diode is a type of semiconductor diode that exhibits a sharp increase in reverse voltage when it reaches a certain threshold voltage, known...

A variable star is a star whose brightness varies over time. This variation in brightness can be caused by a number of factors, including:

A velocity selector is a device that selects charged particles based on their velocity. It is used in various applications, such as mass spectromet...

A velocity-time graph is a graphical representation of the velocity of an object as a function of time. It is a useful tool for analyzing the motio...

Viscosity is the property of a fluid that opposes the relative motion between its adjacent layers. It is a measure of the fluid's resistance to flo...

A voltmeter is an instrument used to measure the electrical potential difference between two points in a circuit. It is typically used to measure t...

Wave motion is simply how waves move. A wave is a disturbance that moves energy from one place to another. You can see wave motion in the ripples i...

Weather refers to the short-term state of the atmosphere in a specific location. It is characterized by various elements such as temperature, humid...

Weightlessness is a condition in which an object appears to have no weight. This can occur when an object is in free fall, or when it is in orbit a...

The Wiedemann Franz law states that the ratio of the thermal conductivity of a metal to its electrical conductivity is proportional to the temperat...

A variable force is a force whose magnitude changes as it acts on an object. The work done by a variable force is the integral of the force with re...

Yield strength is a material property that indicates the amount of stress required to cause permanent deformation in a material. It is an important...

Interference is a phenomenon in which two or more waves combine to form a new wave pattern. In the case of light, interference can occur when two o...

An equivalent force system is a system of forces that produces the same effect on a rigid body as a given force system. In other words, the two for...

Resistance and resistivity are two fundamental concepts in the field of electricity. While they are related, they are not the same thing. Resistanc...

Physics is a fundamental science that helps us understand how the universe behaves. It's a subject that can seem challenging, but its principles ha...

Physical constants are quantities with fixed values that do not change, regardless of when or where they are measured. They are fundamental to our ...

Physics is a subject that is fundamentally based on mathematical equations and their derivations. These derivations help us understand the underlyi...

Differences and comparisons articles in Physics are essential for several reasons. They provide a comprehensive understanding of various physical p...

Physics is a branch of science that deals with the study of matter and its motion through space and time, along with related concepts such as energ...

1. Sir Isaac Newton (1643-1727): Newton is best known for his laws of motion and universal gravitation. He also made significant contributions to o...

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Understanding the relationship between energy and matter is fundamental to the field of physics and has numerous advantages. This relationship is f...

The SI unit, also known as the International System of Units, is the modern form of the metric system and is the most widely used system of measure...

The use of types and classification of articles in Physics is a crucial aspect of scientific literature. This approach offers several advantages th...

In physics, constants are fixed values that do not change. They are often fundamental characteristics of the universe, and they are used to describ...

Mechanics is a branch of physics that deals with the motion of objects and the forces that cause this motion. It is divided into two main sub-field...

Complete guide to motion in physics including types, linear motion, rotational motion, Newton's laws, velocity, acceleration for NEET physics

Relativity is a fundamental concept in physics, proposed by Albert Einstein, which describes how the laws of physics apply equally in all non-accel...

André-Marie Ampère was a French physicist and mathematician who made significant contributions to the field of electromagnetism. He is best known f...

Archimedes' Principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is ...

The Doppler effect is a phenomenon that occurs when a source of sound or light is moving relative to an observer. It causes the frequency of the so...

Kirchhoff's Law, named after the German physicist Gustav Kirchhoff, consists of two fundamental principles that govern electrical circuits.

The Laws of Reflection describe the behavior of light when it interacts with a surface. They are:

- Lenz's law is a fundamental principle in electromagnetism that describes the direction of the electromotive force (EMF) induced in a conductor wh...

Complete guide to Newton's laws of motion including law of inertia, F=ma, action-reaction, applications, and examples for NEET physics

Ohm's Law is a fundamental principle in electrical engineering that describes the relationship between voltage, current, and resistance in an elect...

The unit of density is mass per unit volume. It is a measure of how much mass is packed into a given space. The most common unit of density is kilo...

Force is a physical quantity that describes an interaction that can change the motion of an object. The SI unit of force is the newton (N), named a...

A unit of power is a measure of the rate at which work is done or energy is transferred. The most common unit of power is the watt (W), named after...

Pressure is a physical quantity that measures the force applied perpendicular to a surface per unit area. Several units are used to measure pressur...

The unit of viscosity is the poise (P), named after the French physician Jean Léonard Marie Poiseuille. It is defined as the dynamic viscosity of a...

The term atmosphere refers to the layer of gases that surrounds a celestial body, such as a planet or moon. Here are some key points about the atmo...

Celestial bodies are astronomical objects that exist in the universe beyond Earth's atmosphere. They include stars, planets, moons, asteroids, come...

Communication systems are the means by which information is transmitted from one point to another. They can be classified into two main types: anal...

Deformation of solids refers to the change in shape or size of a solid material under the influence of external forces. It occurs when the applied ...

Diodes are semiconductor devices that allow current to flow in only one direction. They are essential components in many electronic circuits, such ...

Earth science is the study of the planet Earth and its systems. It encompasses various scientific disciplines that explore the physical, chemical, ...

Electromagnetism is a branch of physics that deals with the relationship between electricity and magnetism. It is based on the principle that elect...

Electrostatics is the branch of physics that deals with the behavior of electric charges at rest. The basic law of electrostatics is Coulomb's law,...

Complete guide to force including definition, types, Newton's laws, formula F=ma, gravitational force, friction, and applications for NEET physics

Complete guide to friction including types, static friction, sliding friction, rolling friction, factors affecting friction, applications for NEET physics

Fundamental units are the basic units of measurement defined by the International System of Units (SI). They include the meter (m) for length, kilo...

Complete guide to gravitation including gravitational force, Newton's law, Kepler's laws, universal gravitation, applications for NEET physics

Motion is the change in position of an object over time. It can be described in terms of speed, velocity, and acceleration.

The Kinetic Theory of Gases is a fundamental concept in physics that describes the behavior of gases at the molecular level. According to this theo...

Alpha decay is a type of radioactive decay in which an unstable atomic nucleus loses two protons and two neutrons, emitting an alpha particle. Alph...

Rotational motion occurs when an object spins or revolves around a fixed point or axis. It involves the motion of an object around its own axis wit...

In physics, a scalar quantity is a quantity that is fully described by its magnitude, or size. Examples of scalar quantities include mass, temperat...

The scientific method is a systematic approach to the study of natural phenomena. It involves making observations, forming hypotheses, conducting e...

Complete guide to pressure including definition, formula, atmospheric pressure, fluid pressure, applications, and units for NEET physics

Thermal properties of materials describe how a material responds to changes in temperature. These properties are crucial in various engineering app...

Complete guide to work, energy, and power including definitions, formulas, kinetic energy, potential energy, conservation of energy for NEET physics