What is dispersion of light?

Splitting up of white light into seven different colours on passing through a transparent medium is called Dispersion of Light.


Rainbow- it is a natural phenomena in which sunlight is split up into different colors


Is Sunlight white or coloured?

Sunlight appears white and hence, it is called white light.

But actually made up of 7 colours

V Violet
I Indigo
B Blue
G Green
Y Yellow
O Orange
R Red


Activity to see dispersion of light

We follow these steps

  • Take a glass bowl
  • Fill it with water
  • Put mirror in it
  • Place it near the window so that sunlight falls on it
  • it is reflected on wall
  • We see different colors


Note: This is possible because mirror in water forms a prism

  1. Class 8
  2. Chapter 16 Class 8 - Light

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo