A Ray of light is incident on one of the faces of a prism at an angle 50 with the surface. the angle of prism and is 60 . the angle made by the emergent ray with the incident ray is 45 . find the angle made by the emergent ray with the surface .
A) 28
B) 32
C) 42
D)54
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Angle of Deviation/Angle made by emergent ray with incident ray = Angle of incidnce + angle of emergence - Angle of Prism
45=50+ /_e - 60
/_e =45-50+60
Angle of Emergence or Angle made by emergent ray = 55
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