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Question

Snell’s law of refraction is given by


  1. Sin i=Sin2r

  2. Sin i=kSin r

  3. Cos i=k Cos r

  4. (Sin i)(Sin r) = μ2μ1 = v1v2


Solution

The correct options are
B

Sin i=kSin r


D

(Sin i)(Sin r) = μ2μ1 = v1v2


Snell’s law suggests that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant.

Sin iSin r = constant 
Sin i=kSin r, where k is constant

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