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Calculate critical angle of incidence between two substances with different refractive indices n1 = 1.5 and n2 = 1.46.
1 Answer
written 5.8 years ago by | • modified 5.8 years ago |
Given :
$n_1$ = 1.5
$n_2$ = 1.46
Formulae :
$\theta_c = sin^{-1} (\frac{n_2}{n_1})$
$\theta_c = sin^{-1} (\frac{1.46}{1.5})$
$\theta_c = {76.74}^o $
$\theta_c$ = 1.339 radians