Search SchoolNGR

Thursday, 02 April 2026
Register . Login

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

What is the approximate critical angle for total internal reflection for diamond if the refractive index of diamond is 2.42?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • 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

Share question on: