What is the Critical angle of diamond?

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B.Tech ECE

Critical angle of diamond is 25 degrees
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B.Tech ECE

A angle is said to be critical angle when the refraction of light from one medium to other medium is at 90 degrees from normal
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The speed of light in vacuum to the speed of light in the medium: Index of refraction : n = c / v .
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Tutor

25 degrees
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To find critical angle you use the formula: sin^-1(nt/ni)=angle so all you do is plug in for nt=1, since that is the index of fraction of air for ni=2.42 and you get your answer as: 24.4
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Good knowledge of Mathematics and Science

25 degree
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Tutor

The critical angle for the total internal reflection is only about 25 degrees. Incident light therefore strikes many of the internal surfaces before it strikes one less than 25 degrees and emerges.
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Its 25 degree for total internal reflection.
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b.tech

25 degrees
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Entrance coaching for JEE/CET (Physics, Chemistry n Maths)

23.68 degrees found with inv(sin(1/2.419)
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