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If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is A. 40 degrees. B. 80 degrees. C. 0 degrees. D. 90 degrees.
D. 90 degrees
Expert answered|Sphetsipho|Points 20|
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Asked 11/12/2012 10:58:29 AM
Updated 129 days ago|5/24/2014 8:59:08 AM
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If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is 40 degrees.



Added 129 days ago|5/24/2014 8:59:08 AM
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