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Two converging glass lenses A and B have...

Two converging glass lenses A and B have focal lengths in the ratio `2:1`. The radius of curvature of first surface of lens A is 1/4 th of the second surface where as the radius of curvature of first surface of lens B is twice that of second surface. Then the ratio between the radii of the first surfaces of A and B is

A

`5:3`

B

`3:5`

C

`1:2`

D

`5:6`

Text Solution

Verified by Experts

The correct Answer is:
D
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