Q.12 The angle between the incident ray and reflected ray is 120°. What is the
value of angle de incidence?
O 100
O 50
O 60%
O 70°
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Explanation:
The answer is 30°. Explanation: If we consider the surface is flat surface (ideal), then total angle is 180°. Then if the angle between the Incident Ray and Reflected Ray is 120° then we are left with (180° - 120°) = 60°.
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