JEE Main & Advanced
Physics
Ray Optics
Question Bank
Numerical Value Type Questions - Refraction at Plane Surface
question_answer
A parallel sided block of glass of refractive index 1.5 which is 36 mm thick rests on the floor of a tank which is filled with water (refractive index = 4/3). The difference apparent depth (in mm) of floor at A & B when seen from vertically above is equal to?