MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

Light travels through a glass plate of thickness t and refractive index . If c is the velocity of light, then time taken by light to travel the thickness of glass plate is

Answer: (D)

Solution

, so time ; (a), (b) and (c) are dimensionally wrong or invert the factors. Hence the correct option is (d).

Question ID VK-077235