The critical angle of a medium with respect to vacuum is 30 degree . The velocity of light in the medium is a) 3x10power8m/s b)2x108m/s c) 1.5x108m/s d)3.1x108m/s give short explanation
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The critical angle of a medium with respect to vacuum is 30 degree . The velocity of light in the medium is a) 3x10power8m/s b)2x108m/s c) 1.5x108m/s d)3.1x108m/s give short explanation
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