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A concave lens made of material of refr...

A concave lens made of material of refractive index 1.6 is immersed in a medium of refractive index 2.0 The two surfaces of the concave lens have the same radius of curvature 0.2 m. The lens will behave as a

A

divergent lens of focal length 0.4 m.

B

divergent lens of focal length 0.5 m.

C

convergent lens of focal length 0.4 m.

D

convergent lens of focal length 0.5 m.

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The correct Answer is:
D
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