What is light?

Light is a form of energy that enables us to see our surroundings when it gets reflected from objects around us.

What are the characteristics of light?

a) Light is an electromagnetic wave.

b) Light travels in a straight line.

c) Light is a transverse wave

d) Light does not need a material medium to travel

What are photons?

A photon is a particle of light which is defined as a discrete bundle of electromagnetic energy. Photons are always in motion and in vacuum, its speed is equal to the speed of light. This is because of no disturbance.

Reflection of light

Reflection of light is the phenomenon of bouncing back of light in the same medium on striking the surface of any object.

Refraction of light:

The change in the direction of propagation of light when it passes obliquely from one transparent medium to another is called refraction of light .

Leave a Reply

Your email address will not be published.