✏ QUESTION
The _______ of sound involves a change in the direction of waves as they pass from one medium to another.
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✏ ANSWER
☞ Refraction
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➙ Refraction of waves involves a change in the direction of waves as they pass from one medium to another. Refraction, or the bending of the path of the waves, is accompanied by a change in speed and wavelength of the waves.
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