Physics

Joule heating is the process in which electric current passes through a conductor and produces heat. Joule’s law of heating was first published in the… Read More »What is Joule Heating

Armand Hippolyte Louis Fizeau: Hippolyte Fizeau measures the speed of light in the year 1849, in his Fizeau Experiment. This post is just for an… Read More »Measurement Speed of Light

In linear polarization of light, light is transformed from unpolarized light into linear polarized light. The term “Linear Polarization” was coined by Augustin-Jean Fresnel in… Read More »Linear Polarization of Light: Explanation and Diagram

Let us suppose, capacitors of capacitance C1 and C2 are connected in series and voltage ‘V’ is applied across it. The voltage across capacitor C1… Read More »Capacitors connected in Series

Let us consider an infinite charged plane sheet with the surface charge density σ. Surface charge density, σ = charge/Area = q/A. σ is the… Read More »Electric field due to an infinite plane sheet of charge

Electric field lines are the way to visualization of electric fields. Properties of electric field lines. • Electric field lines never intersect each other. •… Read More »What is Electric field lines: Explanation, Properties, Diagram

This is the illustration diagram for the calculation of electric field due to line charge at point P. Let us consider a charge is uniformly… Read More »Electric field due to line charge

When a positive and negative charge is separated by some fixed distance then it is called an electric dipole. Electric Dipole moment is defined as… Read More »What is Electric Dipole Moment

This is the illustration diagram for the calculation of electric field due to circular loop at point P.

Oil drop experiment: “The oil drop experiment was first performed by Robert A. Millikan and Harvey Fletcher in the year 1909 in order to measure… Read More »What is Oil drop experiment: Explanation and Diagram

Extrinsic semiconductors are impure semiconductors that are doped with impurities in order to enhance their conductivity. Depending on the type of impurities extrinsic semiconductors is… Read More »What is Extrinsic Semiconductors: Explanation and Diagram

Intrinsic semiconductors are pure semiconductors that are impurity-free. The most common intrinsic semiconductors are Silicon (Si) and Germanium (Ge). At room temperature, intrinsic semiconductor shows… Read More »What is Intrinsic semiconductors

Kirchhoff’s Current Law: The algebraic sum of all incoming current and outgoing current in a node is equal to zero. Kirchhoff’s Voltage Law: The algebraic… Read More »What is Kirchhoff’s Law: Explanation and Diagram

A capacitor is an electric device that works as a charge storing device. It has two terminals. It stores the charge in the form of… Read More »What is Capacitor:Explanation

Ideal gas equation gives expression of simultaneous effect on gas, according to its pressure, volume, temperature, and the amount of gas. The term ideal gas… Read More »What is Ideal Gas Equation: Explanation

The concept of zero-point energy was developed by Max Planck in the year 1911. According to quantum physics, even in vacuum space, there is some… Read More »What is Zero-point energy: Explanation

Rydberg calculates the wavelength of a spectrum line in the hydrogen emission spectrum. Rydberg formula was first stated in 1888 by Physicist Johannes Rydberg. Rydberg’s… Read More »Rydberg formula for the hydrogen spectrum

An electron in an atom revolves around the nucleus in those orbits in which the angular momentum of revolution of an electron is an integral… Read More »What is Bohr Second Postulate: Explanation

Conservative Force In conservative force, the work done to move an object from one point to another is does not depend on the path. E.g.,… Read More »What is Conservative Force and Non-Conservative Force

“No two-electron in an atom can have the same four quantum numbers.” The Nobel Prize in Physics in the year 1945, was awarded to Wolfgang… Read More »What is Pauli Exclusion Principle

Ideal gas equation gives expression of simultaneous effect on gas, according to its pressure, volume, temperature, and the amount of gas. The term ideal gas… Read More »What is Ideal Gas Equation: Explanation

Magnetic levitation is a process through which a magnet is suspended in the air with the help of a magnetic field. In magnetic levitation, magnetic… Read More »What is Magnetic Levitation

The Phenomenon of self-inductance was first recognized by the Scientist Joseph Henry. The unit of inductance is the henry (H). Self-inductance is the property of… Read More »What is Self Inductance

D orbitals contain two angular nodes. Nodal Plane contains the nucleus and has no electron density. Radial Node is the spherical surface region in which… Read More »D orbital

In the year 1860, James Clerk Maxwell published equations that describe how charged particles give rise to electric and magnetic force per unit charge. Maxwell’s… Read More »What are Maxwell’s Equation

In physics, a sinusoidal plane wave is a wave whose value varies as a sinusoidal function of time and of the distance from some fixed… Read More »What is Sinusoidal plane wave: Explanation and Diagram

The shape of p orbital is in a dumbbell shape. There is three p orbital that differs in orientation along a three-dimensional axis. P orbitals… Read More »P Orbital: Explanation and Diagram

The Principal quantum number (symbolized ‘n’) is one of the four quantum numbers assigned to each electron in an atom to describe the electron’s state.… Read More »What is Principal Quantum Number: Explanation and Diagram