# Physics

##### Joule-Thomson Effect

What is Joule-Thomson Effect? The Joule-Thomson effect also known as Kelvin–Joule effect or Joule-Kelvin ...

##### Acceleration

What is Acceleration? Acceleration is defined as The rate of change of velocity with respect to time. Acceleration ...

##### Kaleidoscope

What is a Kaleidoscope? A kaleidoscope is an optical instrument consisting of two or more reflecting ...

##### Accuracy and Precision - The Art of Measurement

Measurement is essential for us to understand the external world and through millions of years of life, ...

##### Kinematics Equations

The branch of physics that defines motion with respect to space and time, ignoring the cause of that ...

##### AC voltage applied to a series LCR circuit: Analytical Solution

Consider the circuit shown above. Here, we have an inductor, a resistor and a capacitor connected through ...

##### Kinetic and Potential Energy Difference

The capacity to do work is called as Energy. This energy can be stored in different forms. Energy is ...

##### AC Voltage Applied to an Inductor

AC Voltage and Inductor Here we will learn more about the function of an electric circuit, where an ...

##### Kinetic Energy and Work Done

What is the first thing that comes to your mind when you see Usain bolt running? It must be that how ...

An adiabatic process is a thermodynamic process such that there is no heat transfer in or out of the ...

##### Kinetic Gas Equation Derivation

What Is Kinetic Theory Of Gases? The kinetic theory of gases describes gas as a large number of submicroscopic ...

##### Aerofoil

Definition of aerofoil Aerofoil or airfoil is defined as the cross-sectional shape that is designed ...

##### Kinetic Theory of Gases: Assumptions

Some gases are made up of molecules. What are molecules? Molecules are a tiny independent unit that behaves ...

##### Alpha Decay

Alpha decay or α-decay is a type of radioactive decay in which the atomic nucleus emits an alpha particle ...

##### Kirchhoff's Law

What is Kirchhoff’s Law? Some relationships do exist between voltages and currents under various ...

##### Ampere

It is important to quantify the current flowing in a system because it will enable us to assess the performance ...

##### Lagrangian Point

In astronomy, the Lagrangian point plays a vital role and it was important to learn about the points ...

##### Amplitude of a Wave

A sound is a form of energy that is produced by vibrating bodies. It requires a medium for the propagation. ...

##### Sea Breeze and Land Breeze

Take a walk along a dry beach on a hot early afternoon. No sooner than putting your barefoot in the sand, ...

##### The Structure of Ear & Hearing Range

What is Sound? Sound is a form of energy, just like electricity, heat or light. When you strike a bell, ...

##### Laser Diode

What is Laser Diode? A laser diode is a semiconductor which uses p-n junction for producing coherent ...

##### Angle of Incidence

In optics, angle of incidence can be defined as the angle between a ray incident on a surface and the ...

##### Latent Heat of Water

In talking about the heats involved in changing temperatures, one thing we’ve neglected is what happens ...

##### Angular displacement

In physics, Curvilinear motion is an unavoidable part. The motion of an object along a curved path is ...

##### Law of Equipartition of Energy

Law of equipartition of energy: Statement According to the law of equipartition of energy, for any dynamic ...

##### Angular Momentum - Rotation About Fixed Axis

If we consider an extended object as a system of small particles constituting its body, the rate of change ...

##### Law of Conservation of Linear Momentum

Linear momentum of a particle is defined as the product of mass of the particle times the velocity of ...

##### Angular Speed

Angular speed is the measure of how fast the central angle of a rotating body changes with respect to ...

##### Law of Inertia - Kinematics

In the world of Physics, Sir Issac Newton is the man who pioneered classical physics with his laws of ...

##### Ultrasound: Definition and Application

Bats do not have the property of vision. Then how do they navigate and locate their prey? We have read ...

##### Newton's Laws of Motion

There are three of Newton’s laws of motion. In these three laws of motion, he explained the relationship ...

##### Archimedes Principle

When we go swimming, we feel a little weightless in the water. The reason for this is that liquids exert ...

##### The Layers of Earth

The Earth comprises of four separate layers. Most of the geologist believes that as the Earth cooled ...

##### Difference Between Asteroid and Comet

Celestials bodies like asteroids and comets are “time capsules” that contain information about the ...

##### LCR Circuit: Analysis of a LCR Series Circuit

In our article about the types of circuit, we discussed that there two major types of circuit connection ...

##### Atmosphere

An atmosphere is a sheet of gases that surround a material body or a planet. It is controlled by the ...

##### Measurement of Length - Distance

Measurements of length and distance are done in many ways. Did you know that you can use the average ...

What is an atom? An atom is made up of three tiny kinds of particles called subatomic particles: protons, ...

##### Lens Formula & Magnification - Lens Power

Spherical lenses are the lenses formed by binding two spherical transparent surfaces together. There ...

##### Average Speed and Average Velocity

Distance is a scalar quantity which generally implies how much ground has been covered by the object. ...

##### Lepton

An atom is made up of nuclei and electrons, bounded by electromagnetic force. The mass of electrons is ...

Avogadro built on the work of Gay-Lussac who first noted that gases reacted in simple integer volume ...

##### Light Energy

What Is Light Energy? Light energy is a kind of kinetic energy with the ability to make types of light ...

##### Azimuthal Quantum Number

Quantum numbers are numbers allocated to all the electrons in an atom and they describe certain characteristics ...

##### Lightning

Lightning is one of the most beautiful displays we can see in our nature which can certainly be deadly ...

##### How to Make a Fireproof Balloon

Fireproof Balloon Experiment Most of us would have encountered a scenario, where the balloon they had ...

##### Light Sources

When we look at a leaf we know that it is green in colour because light bounces off the leaf to our eyes ...

What is banking of roads? Banking of roads is defined as the phenomenon in which the edges are raised ...

##### Linear Velocity

Velocity is the rate of change in the position of an object in a specific range of time. When the object ...

##### Bar Magnet as an Equivalent Solenoid

What is a Bar Magnet? A bar magnet is a rectangular or a square piece of an object made from iron or ...

##### Lithosphere

A lithosphere is the rigid, outermost shell on Earth. It is composed of the crust and the portion of ...

##### Laws of Physics

By nature, laws of Physics are stated facts which have been deduced and derived based on empirical observations. ...

##### Longitudinal Strain

There are two types of strain and they are: Longitudinal strain Lateral strain What is Longitudinal ...

##### Introduction to the Concept of Beats

A wave not only travels in space but it also propagates through time, so if the two waves can produce ...

##### Lorentz Force

Hendrik Antoon Lorentz was a Dutch physicist who explained the theories related to electromagnetic radiation. ...

##### Behaviour of Gas Molecules

The behaviour of gas molecules is dependent on the properties and laws obeyed by the molecules of the ...

##### Pitch and Loudness of Sound

In our day to day life, we come across different types of sound, and we are well equipped with a mechanism ...

##### Bernoulli’s Principle

Bernoulli’s principle formulated by Daniel Bernoulli states that as the speed of a moving fluid increases ...

##### Luminosity

What is Luminosity? Luminosity refers to the total amount of energy produced by different celestial ...

##### Betatron

Betatron is a type of particle accelerator and is used to accelerate electrons. It uses the electric ...

##### Biogas Energy

Introduction We are familiar with the use of wood as fuel but we know that wood contains a very less ...

##### Bipolar Junction Transistor

Bipolar Junction Transistor or BJT is a semiconductor device which is constructed with 3 doped semiconductor ...

##### Braille: Helping The Blind And The Visually Impaired Read

Braille is a system with raised dots read with fingers by people who are blind. It is important to understand ...

##### Optical Low Vision Aids: Devices to Help the Blind and the Visually Impaired

What is Visual Impairment? Visual (Vision) Impairment is a reduction in vision, usually associated with ...

In atomic, physics, Bohr Radius is a physical constant, expressing the most probable distance between ...

##### Boltzmann Equation

Boltzmann equation is also known as Boltzmann transport equation (BTE) is used to study the statistical ...

##### Bragg's Law

Bragg’s Law Statement Bragg’s law is a special case of Laue diffraction which determines the angles ...

##### Brewster's Law

Brewster’s law is a relationship of light waves at the maximum polarization angle of light. This law ...

##### Brownian Motion

What is the Brownian Motion? The Brownian motion is named after a British Botanist Robert Brown who ...

##### Buoyant Force

We often observe that our body feels lighter while taking a swim in the pool. Also, when drawing water ...

##### Capacitor and Capacitance

A resistor is an electrical component which allows the current to pass through it and dissipate heat ...

##### Capacitor Types

Different capacitor types are used based on voltage requirement, capacitance, and other properties. A ...

##### Carnot Engine - Thermodynamic Engine

What is a Carnot Engine? Carnot engine is a theoretical thermodynamic cycle proposed by Leonard Carnot. ...

##### Casimir Effect

The Casimir effect in quantum field theory is small physical forces that arise from a quantized field. ...

##### EMF: Cells, Electromotive Force and Internal Resistance

Cell Or Electrochemical Cell A cell or an electrochemical cell is a device that is capable of obtaining ...

##### Central Force

Central force is the force that is radially pointing and the magnitude is dependent on the distance from ...

##### Centripetal and Centrifugal Force

To make an object move, force is required. Force acts differently on objects depending on the type of ...

##### Chandrasekhar Limit

What is Chandrasekhar Limit? The utmost mass that a white dwarf star that’s stable can have is known ...

##### Changing States of Matter

You would have observed changing states of matter when ice cubes melt from solid into liquid water or ...

##### Transistor Characteristics

In physics, the graph representing the relationships between the current and the voltage of any transistor ...

##### Characteristics of Sound Waves: Amplitude, Frequency, Wavelength and Timbre

A sound is a form of energy, just like electricity, heat or light. When you strike a bell, it makes a ...

##### Charge Transfer and its Methods

What is Charge Transfer Complex? A charge transfer complex also called as the electron donor acceptor ...

##### Circuit Components

Ancient literature from the Greeks and the Mediterranean suggests that people had knowledge about the ...

##### Thermometer: Clinical & Laboratory Thermometer

Thermometer (thermos: hot; metron: measure) is the universal instrument used to measure temperature. ...

##### Cloud Formation

A mass of ice crystals or water drops suspended in the atmosphere is known as a cloud. It is formed when ...

##### Coefficient of Static Friction

What is the Coefficient Of Static Friction? It is the “The maximum ratio of applied force to normal ...

##### Color of Sunlight: White or Colored?

The gorgeous red hues of sunrise at the dawn, the golden white shimmering towards the noon or the brilliant ...

##### Compressive Stress

What is Compressive Stress? Compressive stress is the force that is responsible for the deformation ...

##### Concave and Convex Mirrors and Spherical Mirrors

What are Spherical Mirrors? If we have a reflective sphere and a piece of this is cut out, it is a spherical ...

##### Concave and Convex Lenses: Image Formation

Spherical lenses are the lenses formed by bounding two spherical transparent surfaces together. In general ...

##### Electricity and Conduction of Electricity

All substances are made up of atoms, which have charged particles called electrons and protons. These ...

##### Conductivity of Water

The conductivity of water is a measure of the capability of water to pass electrical flow. This ability ...

##### Law of Conservation of Angular Momentum

What is conservation of angular momentum? It is the rotational analogue of linear momentum, it is denoted ...

##### Conservation of Linear Momentum

Linear momentum We have seen quantities like velocity, acceleration, mass etc. and know what they signify. ...

##### Linear Momentum

Conservation of linear momentum is based on newton’s second law of motion which states that in an isolated ...

##### Conservative Force

A conservative force is a force done in moving a particle from one point to another, such that the force ...

##### Constellations and Constellation of Stars

On a clear moonless night we can see thousands upon thousands of stars dotting the night sky. If we are ...

##### Continuous Charge Distribution

We have dealt with the systems containing discrete charges such as Q1, Q2,…,Qn. We noticed that the ...

##### Convection Currents

A convection current is a process which involves the movement of energy from one place to another. It ...

##### Conventional Methods of Measurements

Taking measurements is one of the most common tasks we come across in our day-to-day life.Be it cooking, ...