If the angle between the reflecting surface and the incident rayis 40°,find angle of incidence and angle of reflection.
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Angle of incidence=90-40=50 deg
as angle of incidence is taken from normal ray and angle of reflection will also be same as angle of incidence i.e. 50 deg
as angle of incidence is taken from normal ray and angle of reflection will also be same as angle of incidence i.e. 50 deg
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