when a ray is incident normally on the surface ,it
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When a ray of light falls normally on the surface of a plane mirror , the following things happen: ... Incident ray is reflected back along the same path. 2. Angle if incidence is zero and angle of reflection will be zero [according to laws of reflection] .
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STATEMENT -1 : When a light ray is incident normally on a plane refracting surface, it does not deviate from it's path. and.
STATEMENT - 2 : The angle of incidence and angle of refraction will be same and equal to zero.
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