If a person is in front of a smooth surface from which a sound is reflected, the person would hear a sound that

Aseems to come from behind the surface.
Bhas a higher intensity than the sound produced by the source.
Chas a higher pitch than the sound produced by the source.
Dseems to lack overtones.

a. seems to come from behind the surface

If a person is in front of a smooth surface from which a sound is reflected, the person would hear a sound that
NOT:
b. has a higher intensity than the sound produced by the source.
c. has a higher pitch than the sound produced by the source.
d. seems to lack overtones.

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If a person is in front of a smooth surface from which a sound is reflected, the person would hear a sound that Aseems to come from behind the surface.Bhas a higher intensity than the sound produced by the source.Chas a higher pitch than the sound produced by the source.Dseems to lack overtones.

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