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1 December, 12:59

What causes a regular reflection?

A. Light waves strike a rough, uneven surface at a 45 degree angle and are reflected back at a 90 degree angle.

B. Parallel light waves strike a smooth, polished surface and reflect back in the same direction.

C. Parallel light waves strike a rough, uneven surface and reflect in different directions.

D. Light waves strike a smooth, polished surface at a 90 degree angle and are reflected back at a 45 degree angle.

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  1. 1 December, 15:11
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    The answer is B. A regular reflection is w hen a beam of parallel light rays hits a smooth and plane surface and reflects back parallel as well.
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