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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