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प्रश्न
The angle of incidence for a ray of light having zero reflection angle is ______.
पर्याय
0
30°
45°
90°
MCQ
रिकाम्या जागा भरा
उत्तर
The angle of incidence for a ray of light having zero reflection angle is 0.
Explanation:
For reflecting surface ∠i = ∠r
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