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

A transparent cube of 15cm edge contains a small air bubble. Its appar

1.	A transparent cube of 15cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6cm and when viewed through the opposite face is 4cm. Then the refractive index of the material of the cube is
Answer» 2 2.5 1.6 1.5 Answer :D