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1) The speed of sound in air is around 346 ms-1 ( at room temperature and with low humidity).
What is the frequency of sound waves with the following wavelength:
(a) 2.00 cm ?
2) The speed of sound in air is around 346 ms-1 ( at room temperature and with low humidity).
What is the wavelength of sound waves with the following frequency:
(a) 18 000Hz ?
3) A pure tone of 500 Hz is played through two speakers one of which is damaged and not emitting the correct frequency. An astute listener notices a beat frequency of 20 Hz.
At what frequencies could the damaged speakers be emitting sound?
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