An object reflects light that falls on it. This reflected light when received by our eyes, enables us to see things.
Properties of Light
- An electromagnetic wave so does not require any medium to travel.
- Light tends to travel in straight line.
- Light has dual nature i.e., wave as well as a particle.
- Light casts shadow.
- Speed of light is maximum in a vacuum. Its value is 3 × 108 ms-1.
- When light falls on a surface, the following may happen :
(a) Reflection
(b) Refraction
(c) Absorption