Question

1- A ray of light falling normally on a mirror
retraces its path on reflection this is
because
1
(a) Angle r is equal to angle i
(b) Angle A is equal to 90 degree angle(r)
angler and I is equal to 45 degree.
(c) Angler is equal to angle iand is equal to
žero degree and
(d) None​

Answer 1

Answer:OPTION B IS CORRECT 90 DEGREES

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