A tuning fork vibrates at a frequency of 256 Hz. (a) When the air temperature increases, the
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(a) When the air temperature increases, the wavelength of the sound from the tuning fork (1) increases, (2) remains the same, (3) decreases. Why?
(b) If the temperature rises from 0 oC to 20 oC, what is the change in the wavelength?
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