State laws of deflection. Define pole or principle axis of lengthe
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According to law of deflection incidence ray and emergent ray are parallel...
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I think it's not deflection .Its reflection.
The of reflection states that: the ithe incident ray, the reflected ray lie normal to the surface of the mirror .The angle of reflection is equal to the angle of refraction .
pole-it is the place where principal axis meet the mirror
principal axis is the imaginary line passing
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