Question

what happens when a ray of light falls normally on surface of a plane mirror​

Answer 1

Answer:

When a ray of light falls normally (or perpendicularly) on the surface of a plane mirror, it gets reflected along the same path because the angles of incidence and reflection are both equal to zero.

Answer 2

Answer:

the normal ray is formed on imaginary line at 90°.when an object is kept in front of mirror the reflection will be on same direction as they are kept in 90°.so angle of incidence is 0 if angle of incidence is 0 then the angle of reflection will be also 0 as the angle of incidence is equal to the angle of reflection(law of reflection)

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