Two beams of red and violet colours are made to pass separately through a prism…
PHYSICS · Single correct · CBSE · Physics · The Human Eye and the Colourful World · The Human Eye and the Colourful World
Problem
Two beams of red and violet colours are made to pass separately through a prism (angle of the prism is 60∘ ). In the position of minimum deviation, the angle of refraction will be [2008]
(1) 30∘ for both the colours
(2) greater for the violet colour
(3) greater for the red colour
(4) equal but not 30∘ for both the colours