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If f(V) and f(R) are the focal lengths o...

If `f(V)` and `f_(R)` are the focal lengths of a concex lens for violet and red light respectively and `F_(V)`and `F_(R)` are the focal lengths of concave lens for violet and red light respectively, then we have

A

`f_(V)=f_(R )` and `f'_(V) lt f'_(R )`

B

`f_(V) gt f_(R )` and `f'_(V) gt f'_(R )`

C

`f_(V) lt f_(R )` and `f'_(V) lt f'_(R )`

D

`f_(V) lt f_(R )` and `f'_(V) gt f'_(R )`

Text Solution

Verified by Experts

The correct Answer is:
D
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