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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

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The correct Answer is:
A
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