How to solve this question? ( please show method)
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Answer:
θ=25+25=50o is the value of θ
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Answer:
d. 60°
Explanation:
A = 30° (Incident ray = reflected ray)
B= 90 - 30 (Normal is perpendicular to surface, so A and B are complementary)
B = 60°
C = 180 - 90 - B
C = 90- 60
C = 30°
D = 90- C
D = 90 - 30
D = 60
θ = D (Incident ray = reflected ray)
θ = 60°
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