what are the critical angels of various color of VIBGYOR?
Asked by | 20th Sep, 2013, 04:07: PM
Critical angle of a medium depends on refractive index of the medium. Different colors of light have different wavelengths have different refractive indices. red has minimum critical angle and as we go from red to voilet in VIBGYOR critical angle increases.
Answered by | 22nd Sep, 2013, 12:39: PM
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