Question

A Ray of light is incident in glass on a glass water boundary.The angle of incidence is 50°.Calculate the angle of refraction.Refractive index of glass=1.50 and refractive index of water=1.33.

Answer 1

this is the answer see this

Answer 2

sin i / sin r = μ glass / μ air

               = 1.127

sin 50 / sin r = 1.127

0.766 / sin r = 1.127  

sin r = 0.680  

r = 42.843  °