Question

If refractive index of water is 4/3 then find the time taken to travel 450m in water

Answer 1

Answer:

wμa = 4/3 = 3 x 10^8 m/s/ Velocity of light in water

Velocity of light in water = 2.25 x 10^8 m/s

Time = 450/2.25 x 10^8 = 2 x 10^-6 s