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Q.

Find the distance of object placed in the slab of refractive index μ from point P of the curved surface of radius R so that image is formed at infinity :

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a

R(μ−1)

b

(μ−1)Rμ

c

μR(μ−1)

d

(μ−1)R2μ

answer is B.

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Detailed Solution

μ2v−μ1u=μ2−μ1R;

μ2=1, μ1=μ, v=∞

1∞−μ(−u)=1−μ(−R)

u=μR(μ−1)

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