Question #fb7d5

1 Answer
Steve J.
Sep 28, 2017

Slide the slide so as to increase the length of the air column that is resonating.

Explanation:

The relationship between the speed of sound, v; wavelength, lambda; and frequency, f, is
v = lambda*f.
If we assume that v is constant and if f is decreased, then lambda will be increased.

I hope this helps,
Steve

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