Which expression describes the critical angle for the interface of water with air?(use the index of refraction for water µw=1.33 and the index of refraction for air µa =1)

A \( \sin^{- 1}{\left ( \frac{1}{3} \right )} \)

B \( \sin^{- 1}{\left ( \frac{3}{4} \right )} \)

C \( \sin^{- 1}{\left ( \frac{2}{3} \right )} \)

D \( \sin^{- 1}{\left ( \frac{4}{3} \right )} \)

Solution

Correct Answer: Option B

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