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A slab of a material of refractive index...


A slab of a material of refractive index 2 shown in fig. has a curved surface APB of radius of curvature 10 cm and a plane surface CD. On the left of APB is air and on the right CD is water with refractive indices as given in the figure. An object O is placed at a distance of 15 cm from the pole P as shown. The distance of the final image of O from P, as viewed from the left is......

A

20 cm

B

30 cm

C

40 cm

D

50 cm

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The correct Answer is:
b
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