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Q.

Is it true that the light incident on a plane mirror subtends an angle of 40ofrom the mirror surface. The angle of reflection is 40o?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
We are aware that the angle of incidence and reflection is one and the same. As a result, the statement is accurate. Light strikes a flat mirror at an angle of  40o to the mirror's surface.(Since, angle of incidence, = angle of reflection, r).  The reflection angle is  40o.
 
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