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प्रश्न
A ray of light falls normally on a plane mirror. What is the angle of incidence ?
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उत्तर
Angle of incidence is 0°. Since angle of incidence is’the angle between incident ray and normal. Direction of reflected ray is along BA opposite to the direction of incident ray.
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संबंधित प्रश्न
Write true or false of the following statement.
The objects are seen around us due to irregular reflection of light.
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In the following diagrams, measure and write the angle of incidence and draw the reflected ray in each case.
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Surfaces on which the angle of incidence is equal to the angle of reflection is/are
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| (a) | (b) | (c) |
Assertion (A): A ray incident along normal to the mirror retraces its path.
Reason (R): In reflection, the angle of incidence is always equal to the angle of reflection.
