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laiz [17]
2 years ago
5

Show that a light ray that strikes two mutually perpendicular reflecting surfaces is reflected back exactly parallel to the dire

ction from which it came.

Physics
1 answer:
DedPeter [7]2 years ago
3 0

Take a look at the attachment below. As you can see, the figure demonstrates a 90 degree angle such that the surfaces are perpendicular, and hence are independent of the angle of incidence. You could say that this forms a part of a parallelogram -

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