25 A vessel of depth d filled with a liquid o refractive index u up to half its depth and the remaining space is filled with a

Question

25 A vessel of depth d filled with a liquid o refractive index u up to half its depth and the remaining space is filled with a liquid of refractiv index The apparent depth while seeing normal to the free surface of the liquid is 2 d 1 1 9 H4 1 d 3 d 2 1 1 d 4 14 M

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