Question on: JAMB Physics - 1995
What is the approximate critical angle for total internal reflection for diamond if the refractive index of diamond is 2.42?
A
21o
B
22o
C
23o
D
24o
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Correct Option: D
SinC = (\frac{1}{n})V2
SinC = (\frac{1}{2.42})
SinC =24o
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