Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Light refers to the natural or artificial illumination that allows us to see and perceive objects. It is a form of electromagnetic radiation that travels in waves.
Related terms
Shadow: A dark area created when an object blocks light.
Reflection: The bouncing back of light when it hits a surface.
Refraction: The bending of light as it passes through different mediums.