When the light ray is incident normally on the plane mirror then by using laws of reflection angle of incidence is equal to angle of reflection. Hence, as the angle of incidence is zero degree angle of reflection is zero degree. Thus, reflected ray will reflect back in same path as that of incident ray.
When a ray of light falls normally (or perpendicularly) on the surface of a plane mirror, this means the angle of incidence is 0o. ... Thus, the light ray will be reflected back along the same path.
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Answer:
When the light ray is incident normally on the plane mirror then by using laws of reflection angle of incidence is equal to angle of reflection. Hence, as the angle of incidence is zero degree angle of reflection is zero degree. Thus, reflected ray will reflect back in same path as that of incident ray.
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Answer:
When a ray of light falls normally (or perpendicularly) on the surface of a plane mirror, this means the angle of incidence is 0o. ... Thus, the light ray will be reflected back along the same path.