Physics, 14.04.2020 23:59 Kigarya

Assume a change at the source of sound reduces the wavelength of a sound wave in air by a factor of 3.

(i) What happens to its frequency? It increases by a factor of 9. It increases by a factor of 3. It is unchanged. It decreases by a factor of 3. It changes by an unpredictable factor.
(ii) What happens to its speed?

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Assume a change at the source of sound reduces the wavelength of a sound wave in air by a factor of...

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