What is the approximate critical angle for total internal reflection for diamond if the refractive…

Physics JAMB 1995

What is the approximate critical angle for total internal reflection for diamond if the refractive index of diamond is 2.42?

  • 21o
  • 22o
  • 23o
  • 24o checkmark

The correct answer is: D

Explanation

SinC = \(\frac{1}{n}\)V2

SinC = \(\frac{1}{2.42}\)

SinC =24o
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