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The refractive index of the material ofa...

The refractive index of the material ofa double convex lens is 1.5 and its focal length is 5 cm. If the radii of curvature are equal, the value of the radius of curvature (in cm) is

A

5

B

6.5

C

8

D

9.5

Text Solution

Verified by Experts

The correct Answer is:
A
`1/f=(mu-1)(1/R_(1) - 1/R_(2))`
(Apply with sign convention)
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