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प्रश्न
Light is falling on surfaces S1 S2 and S3 as shown in the following figure.
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Surfaces on which the angle of incidence is equal to the angle of reflection is/are
विकल्प
S1 Only
S1 and S2 Only
S2 and S3
All the three surfaces
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उत्तर
All the three surfaces
Explanation:
Laws of reflection are always followed whatever be the surface of the object.
Therefore, the angle of incidence is equal to the angle of reflection on ail the three surfaces (S1, S2 and S3).
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