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Question : A light wave is incident over a plane surface with velocity x. After reflection, the velocity becomes:

Option 1: x/2

Option 2: x

Option 3: 2x

Option 4: x/4


Team Careers360 13th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: x


Solution : The correct option is x.

When a light wave is incident on a plane surface, its velocity remains unchanged after reflection. The speed of light is determined by the properties of the medium it is travelling through. In a uniform medium, like air, the velocity of light remains constant, unaffected by reflection off a surface.

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