samsamisam7557 samsamisam7557

23-11-2017
Physics

contestada

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?

Respuesta :

reyna24 reyna24

01-12-2017

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

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