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The focal lengths of a lens for red,viol...

The focal lengths of a lens for red,violet and green rays are `F_r, F_v and F_g` respectively. Then,

A

`F_r gt F_g gt F_v`

B

`F_v gt F_t gt F_g`

C

`F_t lt F_g lt F_v`

D

`F_v gt Fr gt F_g`

Text Solution

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The correct Answer is:
A
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