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Two symmetric double convex lenses A and...

Two symmetric double convex lenses A and B have same focal length but the radii of curvature differ so that `R_(A) = 0.9R_(B)`. If refractive index of A is 1.63 find the refractive index of B.

A

1.7

B

1.6

C

1.5

D

`3//4`

Text Solution

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The correct Answer is:
A
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