Homework Help: physics

Posted by Princess on Thursday, July 29, 2010 at 8:49am.

A 680 Hz tuning fork is held over a long vertical tube full of water. If the tube is 1.00 m long, how many resonances will be heard as the tube is allowed to empty from the bottom?

physics - bobpursley, Thursday, July 29, 2010 at 10:23am
resonances will be heard each odd number of quarter wavelengths.

Determine the wavelength (f*lambda=wavespeed), divide it by four, then figure out the odd multiples that are less than 1 meter.
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