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Physics
Physics
Problem
A sound ray meets a flat wall at an angle of
30
∘
30^{\circ}
3
0
∘
with the surface of the wall. Will the reflected ray leave the wall at
30
∘
30^{\circ}
3
0
∘
or
60
∘
60^{\circ}
6
0
∘
to the wall surface? Explain your answer in one or two sentences.
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