Two beams of red and violet colours are made to pass separately through a prism (angle of the prism is ` 60degree`). In the position of minimum deviat
Two beams of red and violet colours are made to pass separately through a prism (angle of the prism is ` 60degree`). In the position of minimum deviation, the angle of refraction will be
A. greater for red colour
B. equal but not `30^(@)` for both the colours
C. greater for violet colour
D. `30^(@)` for both the colours
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Correct Answer - D
(d) Here, angle of prism,A=`60^(@)`
For minimum deviation,A=2r
or `r=A/2=60^(@)/2=30^(@)` for both colours.
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