# Physics

##### Convex Mirror

Convex Mirror is a curved mirror where the reflective surface bulges out towards the light source. T ...

##### Critical Velocity

What is critical velocity? Critical velocity is defined as the speed at which a falling object reac ...

##### Curie's Law

According to Curie’s Law, the magnetization in a paramagnetic material is directly proportional to ...

##### Current Coil

Consider a coil of insulated copper wire, wound on a soft iron core, we will put some iron nails on ...

##### Current Electricity

A few minutes of power outage makes us realise how important electric current is to us. Many inventi ...

##### Cyclic Process

What Is Cyclic Process? The process in which the initial and final state is the same is known as a ...

##### D’Alembert’s Principle

D’Alembert’s principle states that for a system of mass of particles, the sum of difference of t ...

##### Darcy Weisbach Equation Derivation - Explanation and Applications

Darcy Weisbach Equation statement It is an empirical equation in fluid mechanics named after Henry ...

##### Davisson Germer Experiment - Electron Diffraction

Initial atomic models proposed by scientists could only explain the particle nature of electrons but ...

##### Decibel

The sound is all around us and can be measured to protect and inform us, as some sounds are not safe ...

##### Dependence of potential difference (V) across a resistor

Potential difference is defined as the work done to move a unit charge from one point to the other. ...

##### Derivation of Beer Lambert Law

Beer-Lambert Law derivation helps us to define the relationship of the intensity of visible UV radia ...

##### Derivation of Biot Savart Law

The derivation of Biot Savart Law is provided in this article. Biot Savart law, named after Jean-Bap ...

##### Derivation of Centripetal Acceleration

Centripetal acceleration is the rate of change of tangential velocity. The net force causing the cen ...

##### Derivation of Continuity Equation

Derivation of continuity equation is one of the most important derivations in fluid dynamics. The co ...

##### Drift Velocity Derivation

Drift velocity is defined as the average velocity attained by the particles (electrons) of a given m ...

##### Derivation of Escape Velocity

Derivation of escape velocity is a very common concept in the kinematics topic of physics and often, ...

##### Derivation of Heat Equation

Derivation of the heat equation can be explained in one dimension by considering an infinitesimal ro ...

##### Law of Conservation of Momentum Derivation

What is Law of Conservation of Momentum? Law of conservation of momentum states that For two or mo ...

##### Derivation of Lens Maker Formula

Lenses of different focal lengths are used for various optical instruments. The focal length of a le ...

##### Derivation of Mirror Formula

The derivation of mirror formula is one of the most common questions asked in various board examinat ...

##### Orbital Velocity Derivation

Orbital velocity is defined as the velocity at which a body (satellite) revolves around the other bo ...

##### Derivation of Prism Formula

Prism in Physics is defined as a transparent, polished flat optical element that reflects light. The ...

##### Derivation of Schrodinger Wave Equation

Schrodinger Equation is a mathematical expression which describes the change of a physical quantity ...

##### Torsion Equation Derivation

Torsion equation or torsion constant is defined as the geometrical property of a bar’s cross-secti ...

##### Derivation of Work Energy Theorem

The derivation of work-energy theorem is provided here. The work-energy theorem also known as the pr ...

##### Destructive Interference

Destructive interference takes place when waves come together in such a manner that they completely ...

##### Determination of Focal Length of Concave Mirror and Convex Lens

Before getting started with the experiment, it is important to understand a few terms that are used ...

##### Deuterium

Hydrogen has many isotopes and deuterium is one of them. It has a proton and a neutron. Protium is t ...

##### Diamagnetism, para-magnetism and ferromagnetism

Magnetic susceptibility of a material is the property used for the classification of materials into ...

##### Dielectric Constant

Introduction: Take a small tour to your kitchen, did you ever notice the ceramic cookwares or utens ...

##### Dielectric Polarization in Polar and Nonpolar Material and Dielectric Constant

Insulators and Dielectric Material Insulators are materials with very poor conductivity. Insulators ...

##### Difference between AC and DC

When we are using electricity do we think which type of current we are using? Alternating Current (A ...

##### Difference Between AC and DC Motor

Difference between AC and DC motor is extremely important not only from examination point of view bu ...

##### Difference Between Alternator and Generator

Difference between alternator and generator is given here which explains how they are different from ...

##### Difference Between Ammeter and Galvanometer

The major significant difference between ammeter and galvanometer is that ammeter shows only magnitu ...

##### Difference Between Analog and Digital Signal

Analog and Digital signals are the types of signals carrying information. The major difference betwe ...

##### Difference Between Capacitor and Battery

A battery is an electronic device that converts chemical energy into electrical energy to provide a ...

##### Difference Between Center of Gravity and Centroid

Every object has some mass and due to gravitational force the object weighs a certain amount. There ...

##### Difference Between Concave and Convex Mirror

Sl. No. Differentiating Property Concave Mirror Convex Mirror 1 Meaning and Other Names ...

##### Difference Between Conduction Convection and Radiation

The physical act of the transfer of thermal energy between two systems by the dissipation of heat is ...

##### Difference Between Density and Specific Gravity

There is a noticeable difference between density and specific gravity even though both are used to r ...

##### Difference Between Diffraction and Interference

Waves that originate from two different, coherent sources produce the property termed as Interferenc ...

##### Difference Between Discovery and Invention

Discovery can be defined as the recognition of something that already exists as something new. Disco ...

##### Difference Between Earth and Neutral

Neutral: Neutral is the return path for an AC circuit that carries current in normal condition. ...

##### Difference Between Electric Field and Magnetic Field

Magnetic field is an exerted area around the magnetic force. It is obtained by moving electric charg ...

##### Difference Between EMF and Voltage

EMF stands for electromotive force and is referred to the voltage present at the ends of the source ...

##### Difference Between Equinox and Solstice

What is Equinox? Equinox refers to a day with an equal duration of day and night. We have two equin ...

##### Difference Between Force and power

What is a Force? A force is a push or pull Acts on an object Requires an agent Is a vector Is ...

##### Difference Between Fuse and Circuit Breaker

Fuse and circuit breakers are one of the critical components of an electrical system. While both cir ...

##### Difference Between Heat and Temperature

We often talk about heat and temperature in our daily life. Sometimes in terms of weather or sometim ...

##### Difference Between Isothermal and Adiabatic Process

The major difference between these two types of process is that in adiabatic process, there is no tr ...

##### Difference Between Kinetics and Kinematics

Both the branches of physics deals with the different forces acting upon an object. Kinematics d ...

##### Difference Between Land Breeze and Sea Breeze

Breeze is often referred to a gentle to moderate wind. These winds are categorized into two types. N ...

##### Difference Between Light Microscope and Electron Microscope

Microscopes come in a variety of sizes, each with its specific suitability. The most common categori ...

##### Differences Between Magma and Lava

Magma is composed of molten rock and is stored in the Earth’s crust. Lava is magma that reaches th ...

##### Difference Between Mass and Weight

Sl. No. Differentiating Property Mass Weight 1 Definition Mass i ...

##### Difference Between a Meteor and a Meteorite

Most of us have seen a shooting star or a meteor. The flash of light that we see in the sky when a s ...

##### Difference Between Momentum and Inertia

Inertia is the resistance offered by a body to the motion whereas momentum is the tendency of a body ...

##### Difference Between NPN and PNP Transistor

In a PNP transistor, the majority charge carriers are holes whereas in NPN the majority charge carri ...

##### Difference Between Real Image and Virtual Image

When the light rays arising from a single source converge to a particular point, it is referred to a ...

##### Difference Between Resistance and Impedance

Impedance is a concept related to AC whereas resistance is a concept related to DC. Their calculatio ...

##### Difference Between RTD and Thermocouple

Resistance Temperature Detectors (RTD) and Thermocouple are the most common sensor types used to mea ...

##### Difference Between Science and Technology

Technology and science are pronounced in the same breath because of their close relationship with ea ...

##### Difference Between Simple and Compound Microscope

A magnifying instrument which uses two types of lens to magnify an object with different zoom levels ...

##### Difference between Sound, Noise & Music

What is Sound? A sound is what we hear, right? That’s it? Is it that simple? Physicists tend to c ...

##### Difference Between Stars and Planets

A star is a body that possesses a light which causes it to reflect the light on its own. A planet o ...

##### Difference Between Torque and Moment

Motion of an object is referred to the changes in the position with respect to time. Many forces ...

##### Difference Between Transducer and Sensor

A transducer is a device that is used to convert a non-electrical signal into an electrical signal w ...

##### Difference between Violet and Purple

The key difference in understanding these two colours is that Violet is an actual colour that is not ...

##### Difference Between Watts and Volts

Sl. No. Differentiating Property Watts Volts 1 Basic Definition Wa ...

##### Difference Between Work and Power

Power and work are two important concepts in mechanics. The main difference between the two is time. ...

##### Differences Between Acceleration and Velocity

Comparison Basis Velocity Acceleration Meaning It alludes to the speed of an ...

##### Optical Instruments

What are Optical Instruments? Optical instruments are devices which use light rays for one of two ...

##### Electric Field of a Dipole

What is Electric Field of a Dipole? A dipole is a separation of opposite electrical charges and it ...

##### Dirac Equation

Before introducing the Dirac equation, it was difficult to explain the behaviour of the particles as ...

##### Glass Prism - Dispersion Of White Light

What is Prism? In optics, a prism is defined as a transparent solid body that has three rectangular ...

##### Displacement as a Function of Time and Periodic Function

To understand this idea of displacement as a function of time, we will have to derive an expression ...

##### Understanding the Application of Distance - Time Graph

What is a Distance-Time Graph? A distance-time graph shows how far an object has travelled in a gi ...

##### Doppler Effect

Doppler effect is defined as the wave energy that travels from two objects such that the wavelength ...

##### Drift Velocity

What is Drift Velocity? Subatomic particles like electrons move in random directions all the time. ...

##### Dynamic Lift and Magnus Effect: Applications

What is Dynamic Lift? Dynamic lift is the force that acts on a body by virtue of its motion through ...

##### Dynamics of Rotational Motion About a Fixed Axis

In order to simplify these problems, we define the translational and rotational motion of the body s ...

##### Eclipse - Solar Eclipse and Lunar Eclipse

The earth, along with the other planets, revolves around the sun in its orbit. In turn, the moon rev ...

##### Magnetic Effect of Electric Current

How does magnetic effect works? Let’s start with an experiment, you can do this at home with thing ...

Radiation is defined as the process of emission and propagation of energy in the form of waves, part ...

##### Einstein Field Equation

What is Einstein Field Equation? The Einstein Field Equation (EFE) is also known as Einstein’s eq ...

##### Elastic and Inelastic Collisions

Collision is a situation in which interacting bodies experience large force for a short interval of ...

##### Elastic Behaviour of Materials

What happens to a slingshot when you stretch it? It deforms but regains its original shape when you ...

##### Elastic Limit

What is elastic limit? Elastic limit is defined as the maximum stress that a material can withstand ...

##### Elastomers

What are Elastomers? Elastomers are polymers that are having viscosity as well as elasticity and th ...

##### Electrical Current

The electrical current in basic term is the flow of electric charge. The common electric charge carr ...

##### Electrical Force

How would you define an electrical force? The repulsive or attractive interaction between any two c ...

##### Electrical Resistance

When there is no free flow of the electrons in a material due to obstruction created by the electron ...

##### Electric Charge

Electric charge is a physical property of matter that causes it to experience a force when kept in a ...

##### Electric Circuit

The electric circuits are closed loop or path which forms a network of electrical components, where ...

##### Electric Current: The Flow of Charge

Our ancestors relied on fire for light, warmth and cooking. Today at the flick of a switch, turn of ...

##### Electric Dipole

Electric Dipole moment is the measure of the polarity of the system. It is the separation of positiv ...

##### Electric Field Lines

What is Electric Field Line? Electric field lines are an excellent way of visualizing electric fiel ...

##### Electric Flux - Definition

What is Electric Flux? In this section, we will discuss the concept of electric flux, its calculati ...