What is the approximate critical angle for tota... - JAMB Physics 1995 Question
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
correct option: d
SinC = \(\frac{1}{n}\)V2
SinC = \(\frac{1}{2.42}\)
SinC =24o
SinC = \(\frac{1}{2.42}\)
SinC =24o
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