Light

Definition

Light refers to the electromagnetic radiation that can be detected by the human eye. It is a form of energy that travels in waves and enables us to see objects.

Related terms

Wavelength:

The distance between two consecutive peaks or troughs of a light wave.

Intensity:

The amount of energy per unit area that is carried by a light wave.

Reflection:

The bouncing back of light waves when they encounter an object or surface.