Critical angle of glass is  θ_{1 and the critical angle of water is} θ_{2. Calculate the critical angle for water and glass surface. (}μ_g = 3/2, μ_w = 4/3)

Dear kaushik

The critical angle is the angle of incidence above which total internal reflection occurs. The angle of incidence is measured with respect to the normal at the refractive boundary. The critical angle θ_c is given by:

critical angle = arcsin(4/3 / 3/2) = 62.73 degres

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can the answer be explained in any other proper way........cause i am not satisfied with that solution :(