the given ray diagram shows the paths of two rays from a point source at P when reflected by the plane mirror what is the angle between the two rays PQ and PR?
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the figure forms a triangle with base QR
on putting a normal ray we get one angle =30
and the other angle =50
since they are complementry angles therefore
one angle=90-60=30
other angle=90-50=40
by angle sum property we get
180-40+30=110
hence, angle formed between the angle is 110
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