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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6cm and when viewed through the opposite face is 4 cm. Then the refractive index of the material of the cube is

A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6cm and when viewed through the opposite face is 4 cm. Then the refractive index of the material of the cube is

The graph shows variation of v with in u for a mirror. points plotted above the curve are for values of v