Question

Write any three differences between primary and secondary rainbow.

Answer 1

Differences between primary and secondary rainbow:

Primary Rainbow	Secondary Rainbow
1. Its upper end is red.	Its upper end is violet.
2. Its inner end is violet. The violet ray makes an angle of 41° with Sim rays.	Its inner end is red and the violet ray makes an angle of 54° with Sun rays.
3. The angle between the Sun rays and the rays of red colour in position of minimum deviation is 43°.	Rays of red colours make an angle of 51° with Sun rays.