Physics, 01.09.2019 22:30, Betzabeth671

An electric buzzer is activated, then sealed inside a glass chamber. when all of the air is pumped out of the chamber, how is the sound from the buzzer affected?
the sound is silenced.
the wavelength of the sound increases.
the frequency of the sound increases.
the wave speed of the sound increases.

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An electric buzzer is activated, then sealed inside a glass chamber. when all of the air is pumped o...