A glass prism of refracting angle $60^{\circ}$ is immersed in a liquid in which angle of minimum deviation…

A glass prism of refracting angle $60^{\circ}$ is immersed in a liquid in which angle of minimum deviation is $30^{\circ}$. The critical angle of glass with respect to the liquid medium is
  1. $30^{\circ}$
  2. $45^{\circ}$
  3. $60^{\circ}$
  4. $90^{\circ}$

Solution

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Asked in: AP EAMCET 2017 (25 Apr Shift 2)

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