Sound wave a has lower frequency than sounds wave b but both waves have the same amplitude . What must also be true of these two waves ?

Question

09-02-2021
Chemistry

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Sound wave a has lower frequency than sounds wave b but both waves have the same amplitude . What must also be true of these two waves ?

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valetta valetta · Answer 1 · 2021-02-11T03:06:16+01:00

Explanation:

Higher the frequency smaller will be the wavelength. Higher frequency have shorter wavelength and lower frequency waves have larger wavelength. Also, Beats are formed by the superposition of two waves with slightly different frequencies but with similar amplitudes. In time, waves switch between constructive interference and disruptive interference, giving the resultant wave a time-varying amplitude.

andromache andromache · Answer 2 · 2022-02-14T04:41:49+01:00

The true statement about these two waves is option C. Wave A has a lower pitch.

Sound waves:

Sound waves when traveling via air are known as longitudinal waves .

Since sound passes via air, the particles of air does not vibrate in a transverse manner. Also, amplitude controls the loudness while on the other hand, frequency controlled the pitch. That means, the more frequent the higher should be the pitch.

Therefore, the correct option is C.

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