A transparent cube of 15 cm edge contains a small air bubble. Its appa – McqOptions

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1.	A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6 cm and when viewed through the opposite face is 4 cm. Then the refractive index of the material of the cube is [CPMT 2004; MP PMT 2005]
A.	2
B.	2.5
C.	1.6
D.	1.5
Answer» E.

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