Calculate the speed of light in a medium whose critical angle is 30°.
Calculate the speed of light in a medium whose critical angle is 30°.
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n= 1/sinC = 1/sin30º = 2
Speed of light in medium v = c/n = (3 x108)/2 = 1.5 x 108m/s
= 1.5 x 108m/s
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