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
Verified Correct Answer: D.
Physical Principles & Numerical Solution
SinC = \(\frac{1}{n}\)V2
SinC = \(\frac{1}{2.42}\)
SinC =24o
Source: Myschool Past Questions Archive (Record #27841)