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A ray of light is incident on one of the faces of prism with an angle 40° with the surface. The angle of the prism is 60°. The emergent ray is deviated through an angle 38°. The angle of emergence is? |
| Answer» A ray of light is incident on one of the faces of prism with an angle 40° with the surface. The angle of the prism is 60°. The emergent ray is deviated through an angle 38°. The angle of emergence is? | |