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what is the critical angle of diamond?how a diamond gets reated?

what is the critical angle of diamond?how a diamond gets reated?

Grade:12

1 Answers

Umakant biswal
5349 Points
7 years ago
@ bharath 
Critical angle is a angle of incidence beyond which rays of light passing through a denser medium to the surface of a less dense medium are no longer refracted but totally reflected . 
AND DIAMOND HAVE HIGH INDEX OF REFRACTION , so, the critical angle of diamond is only about 25 degree . 
incident light therefore strikes many of the internal surface before it strikes one less than 25 degree and emerges . 
AND THE BRILLIANCE OF DIAMOND IS DEPEND UPON THE CUTTING PATTERN . 
the TIR (TOTAL INTERNAL REFLECTION ) PHENOMENON HAPPENING HERE . 
YOUR 2ND QUERY IS NOT CLEAR , KINDLY ASK IT AGAIN IN THE FORUM . 
ALL THE BEST ..

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