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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 fo 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
`(1)/(f)prop(mu-1)`
`fprop((1)/(mu-1)),mu_Vgtmu_Ggtmu_g`
`f_(V)ltf_(G) ltf_(R)`
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