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

Last updated: 6/14/2023

A transparent cube of 15 cm edge contains a small air bubble Its apparent depth when viewed througth 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 O O C 2 0 2 5 1 6 1 5