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Introduction to Optics

Last Updated: 03 June 2026

Optics is the study of light and its behaviour when it travels through different media and interacts with objects. It explains how light is produced, how it moves in strai...read more

Last Updated: 01 May 2026

An electric generator is a device that converts mechanical energy into electrical energy. It plays a crucial role in producing electricity used in homes, industries, and p...read more

Last Updated: 09 March 2026

Class 12 Physics explores advanced concepts that explain electricity, magnetism, light, and modern physics. It builds on the fundamentals learned in earlier classes and in...read more

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Physics

Physics-Class-12

How to Calculate the Capacitance of a Parallel Plate Capacitor

Last Updated: 23 July 2025

Capacitor is one of the fundamental electronic components that store electric energy. The capacity of a capacitor is measured through a parameter called capacitance, which...read more

Last Updated: 23 July 2025

A solenoid is an electromagnetic device made out of a coil of wire wound around a cylindrical or elongated core, usually comprised of ferromagnetic material like iron or s...read more

Coherent and Incoherent Addition of Waves

Last Updated: 23 July 2025

Coherent and Incoherent addition of waves are used in various fields of physics like acoustics, optics, and quantum mechanics. The waves adding up with each other can inte...read more

Difference between Conduction Current and Displacement Current

Last Updated: 23 July 2025

Conduction current is the movement of electric charge through a conducting material, like a wire. Displacement current is a concept in electromagnetism, which represents c...read more

Physics-Difference-Between

Effect of Dielectric on Capacitance

Last Updated: 23 July 2025

Capacitors use non-conducting materials or dielectric, to store charge and increase capacitance. Dielectrics when placed between charged capacitor plates, it becomes polar...read more

Last Updated: 23 July 2025

Aberration of the lens refers to the failure of a lens to produce a perfect image. It occurs due to the lens's geometry and light's physical properties. There are several ...read more

Last Updated: 23 July 2025

Wave theory of light postulates that a light source emits light waves that spread in all directions. A light wave on striking a mirror gets reflected according to the angl...read more

Last Updated: 27 May 2026

Electron emission is the process by which electrons escape from the surface of a material (generally a metal) when sufficient energy is supplied to overcome the attractive...read more

Last Updated: 23 July 2025

Motors convert electrical energy into mechanical energy, essential for powering various devices and machinery. DC motors are used for precise speed control in electronic d...read more

Last Updated: 23 July 2025

Alpha decay is a type of radioactive decay where an unstable atomic nucleus emits an alpha particle and transforms into a different nucleus. This process reduces the atomi...read more

Angular Momentum of Electron

Last Updated: 23 July 2025

In the world of physics, angular momentum helps us understand how objects behave when they rotate. It is not only limited to big objects like planets but it also helps us ...read more

Last Updated: 26 February 2026

Levers are simple machines designed to make work easier by reducing human effort. A simple machine is a device that changes the magnitude or direction of a force, allowing...read more

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