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Cutting of Thin Lenses

We wish to ma...

Question

We wish to make a plano convex lens of focal length 16 cm from glass having refractive index 1.5. It is to be used in air. What should be the radius of curvature of the curved surface?

A

16 cm

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B

25 cm

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C

12 cm

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D

8 cm

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Solution

The correct option is D
8 cm

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