# Physics

## Newton’s Law of Cooling

At some point in our life, we might have wondered why an object, for example, coffee, tea, or boiled water, that was initially hot, had, after a while, cooled down. …

## Moving Coil Galvanometer

Moving Coil Galvanometer is an electromagnetic device that can measure current. It consists of permanent horseshoe magnets, pivoted spring, soft iron core, coil, non-metallic frame, scale, and pointer. Moving coil …

## Huygens’ Principle

Huygens principle, also known as the Huygens-Fresnel principle proposed the wave nature of light. The principle establishes a wave view of light rather than a particle view. It allows us …

## Stokes Law

Stokes Law gives the relation between the velocity and frictional force acting on a spherical body moving in a viscous fluid. This law also gives the settling or terminal velocities …

## Parallel and Perpendicular Axis Theorems

The parallel and perpendicular axis theorems are used to find the moment of inertia of a rigid body about different axes that pass through the center of mass of the …

## Kepler’s Laws Of Planetary Motion

Kepler’s laws of planetary motion, are the laws that describe the motions of the planets in the solar system. These laws were derived by Johannes Kepler, a German astronomer, in …

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