Q. 53.7( 3 Votes )

Determine the refractive index of benzene if the critical angels 42°. (AS1)

Answer :


Critical angle (c) = 42o .

By Snell’s Law;

Refractive index(n) =

n =

n = (By looking in sine table sin42 = 0.6691).

Hence refractive index of benzene is 1.51

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