NEET2013Physics-Optics
NEET 2013 Physics Reflection MCQ Question
Type: MCQ-conceptual-Hard-Class 12
Two plane mirrors are inclined at 70°. A ray incident on one mirror at angle θ after reflection falls on second mirror and is reflected from there parallel to first mirror. The value of θ is:
A
45°
B
30°
C
55°
D
50°
Correct Answer
Option C
Detailed Explanation
Using the law of reflection and geometry, the angle of incidence and reflection are calculated to satisfy the condition of parallel reflection.
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