31if surface is not smooth then angle of incidence is not always = to angle of reflection. but at instant you are right because if its rough the point of incidence is taken on the tangent to the point of incidence.
for light to reflect obeying the laws of refection the surface must be
smooth
rough
neither smooth nor rough
any surface would do
Your Answer
d
Correct Answer
a
BOTH IN SMOOTH AND ROUGH SURFACES LAWS OF REFLECTION ARE OBEYED FOR EACH INDIVIDUAL RAY.THEN WHY THE ANSWER IS OPTION A?
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