Question

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 :
(A) 2.0 (B) 1.5 (C) 1.6 (D) 2.5

Answer 1

option 5 mujhe nahi malum

Answer 2

Hey your answer is option (D) 2.5