Q. 33.8( 9 Votes )
In Fig. 5.9, PQ i A. 44°
B. 67°
C. 13°
D. 62°
Answer :
Angle of incidence(i) = Angle of reflection(r)
∠ABC = Angle of incidence(i) + Angle of reflection(r)
∠ABC = 46° (Given)
⇒ 2i = 46°
⇒ i = 23°
∠ABP + i = 90°
⇒ ∠ABP = 67°
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