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Answered

7.what do you call a change in speed of sound when it encounters a medium of different density?

a.diffraction
b.interference
c.refraction​

Sagot :

Jhudeacapulonggo

Answer:

C. Refraction

Explanation:

hope it helps tama 'yan

Ramkristofferdeandrego

Answer:

letter C

Explanation:

Refraction, or bending of the path of the waves, is accompanied by a change in speed and wavelength of the waves. So if the media (or its properties) are changed, the speed of the wave is changed. Thus, waves passing from one medium to another will undergo refraction.

hope it helps :)

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