Question

Critical angle for light going form medium (i) to (ii) is $\theta$. The spedoflight in medium (i) is v, then speed of light in medium (ii) is:

• A.
• B.
• C.
• D.

Answer 1

Answer: (B)

Answer 2

:

where v and v’ are the speeds of light in medium (i) and medium (ii) respectively.