Question:medium

When a glass prism of refracting angle \(60^\circ\) is immersed in a liquid its angle of minimum deviation is \(30^\circ\). The critical angle of glass with respect to the liquid medium is:

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Critical angle: \( \sin C = \frac{1}{\mu} \). Always find refractive index first.
Updated On: Apr 16, 2026
  • \(45^\circ\)
  • \(42^\circ\)
  • \(50^\circ\)
  • \(52^\circ\)
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The Correct Option is A

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