类别 全部 - refraction - light - radiation - speed

作者:anders soh 13 年以前

397

Light

Light, also known as visible light, is a form of electromagnetic radiation that can be detected by the human eye, allowing us to perceive the world around us through the sense of sight.

Light

Light

Refraction

As light travels from one optical medium to another,there will be a sudden change
It causes the path of light to bend at the boundary of the two optical medium.

This is also known as Refraction.

Light travels at different speeds in different optical mediums.

Properties of light

Light travels in a straight line.
SpeedOfLightInVacuum
3x10^8 m/s

Lenses

Main topic

Definition

Light or visible light is electromagnetic radiation that is visible to the human eye,and is responsible for the sense of sight.