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What Do You Mean by the Statement 'The Critical Angle for Diamond is 240'? - Physics

One Line Answer
What do you mean by the statement 'the critical angle for diamond is 240'?
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Solution

The critical angle for diamond is 24o; this indicates that diamond has high refractive index of 2.42. This low value of critical angle facilitates total internal reflection of each light ray entering the diamond at its multiple surfaces.
 
Concept: Total Internal Reflection
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APPEARS IN

Frank ICSE Class 10 Physics Part 2
Chapter 2 Light
Exercise 2.1 | Q 6 | Page 89
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