Speed of Light

Definition

The speed of light is a fundamental constant in physics denoted by "c." It represents how fast light travels in a vacuum, which is approximately 299,792 kilometers per second or about 186,282 miles per second.

Related terms

Electromagnetic spectrum: This term refers to the range of all possible frequencies and wavelengths for electromagnetic waves, including visible light.

Photon:

A photon is a particle-like unit or quantum packet that carries electromagnetic radiation such as light.

Refraction:

Refraction occurs when light bends as it passes from one medium to another due to changes in its speed.