Physics

Physics

Problem

A ray of light is incident at an angle of 60∘60^\circ on one face of a prism of angle 30∘30^\circ . The emergent ray of light makes an angle of 30∘30^\circ with incident ray. The angle made by the emergent ray with second face of prism will be : a. 30∘30^\circ b. 90∘90^\circ c. 0∘0^\circ d. 45∘45^\circ

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