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The focal length for violet, green and r...

The focal length for violet, green and red light rays are `f_V,f_G` and `f_R` respectively. Which of the following is the true relationship?

A

`f_(R) lt f_(G) lt f_(V)`

B

`f_(v) lt f_(G) lt f_(R)`

C

`f_(G) lt f_(R) lt f_(v)`

D

`f_(G) lt f_(V) lt f_(R)`

Text Solution

Verified by Experts

The correct Answer is:
B
`f prop (1)/(n - 1) and lambda prop (1)/(n)`.
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