Question

A light ray is passing through the three given media. Which of the following options are correct regarding the refractive indices of these media?

• A. n${}_3$ > n${}_4$
• B. n${}_2$ > n${}_3$
• C. n${}_3$ = n${}_4$
• D. n${}_2$ < n${}_1$

Answer 1

Answer: (B), (C)

n${}_3$ = n${}_4$