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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 15. (i) what happens to its frequency?
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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 15. (i) what happens to its frequency?

User Shasta
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1 Answer

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Frequency = wave speed / wavelength

If f = wave speed / 1/15*wavelength
then
f=15 *wave speed / wavelength

frequency is increased by a factor of 15
User Andrew Russell
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