(a) Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark 1. incident ray 2. emergent ray, and 3. angle of deviation. (b) What is a rainbow? What are the two conditions necessary for the formation of a rainbow in the sky? (c) What acts as tiny prisms in the formation of a rainbow? (d) Name the process which is involved in the formation of a rainbow. (e) What are the seven colours seen in a rainbow?

Harshit Singh , 3 Years ago

Grade 12th pass