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 Answer: Option D
Explanation
SinC = (frac{1}{n})V2
SinC = (frac{1}{2.42})
SinC =24o