Describe an experiment to show that white light consists of lights of different colors.

What is light ?

Explain with appropriate diagram Newton's experiment showing that white light of the Sun (sunlight) is composed of seven colours.

Explain refractive index for light of different colours.

Velocity of light = ……

Mention element colours of white light.

Describe the short history of light.

What is dispersion of white light ?

How did Newton show that white light of the Sun (sunlight) contains seven colours using two identical glass prisms?