Question

on the basis of wave theory of light explain the law of reflection . the speed of light in air is 3 × 10 raise to the power 8 m/s if the R.I of glass is 1.5, then find the time taken by light to travel a distance of 20 cm in glass​

Answer 1

if I get time I will give the answer

Answer 2

on the basis of wave theory of light explain the law of reflection . the speed of light in air is 3 × 10 raise to the power 8 m/s if the R.I of glass is 1.5, then find the time taken by light to travel a distance of 20 cm in glass