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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)gtf_(R)`and `F_(V)gtF_(R)`

B

`f_(V)ltf_(R)`and `F_(V)ltF_(R)`

C

`f_(V)gtf_(R)`and `F_(V)gtF_(R)`

D

`f_(V)gtf_(R)`and `F_(V)ltF_(R)`

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The correct Answer is:
A
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