Define dispersion of light.
Important Questions on The Human Eye and Colourful World
Show formation of rainbow with the help of a ray diagram.
what are the conditions of rainbow to exists?
What is atmospheric refraction? Use this phenomenon to explain the following natural events :
(i) Twinkling stars
Draw diagrams to illustrate your answer.
What is atmospheric refraction? Use this phenomenon to explain the following natural events :
(ii) Advanced sunrise and delayed sunset.
Draw diagrams to illustrate your answer.
What is dispersion of white light? What is the cause of such dispersion? Draw a diagram to shown the dispersion of white light by a glass prism.
A glass prism is able to produce a spectrum when white light passes through it but a glass slab does not produce any spectrum. Explain why is it so?
