Photon of light

Definition

A photon of light is a particle representing a quantum of light or other electromagnetic radiation. It carries energy proportional to the radiation frequency but has zero rest mass.

Related terms

Quantum: The smallest amount of any physical entity involved in interactions.

Electromagnetic Radiation: A type of energy that travels through space at the speed of light, including visible light, radio waves, gamma rays, and X-rays.

Photosynthesis:

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll pigments.