- #1
ZeroGravity
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Rubbing your finger around the rim of a wine glass produces a fine tone.It seems that my litle kitchen-table experiment produced 1000 Hz at a higt amplitude and the first overtone 2000 Hz had a small amplitude, 3000 Hz was higher and so it seems wiht 5000 Hz.
So the even overtones are suppresed just as in a half-open resonant tube (a pan flute)
Here is my question :
Why is the frequency lowered (to about 500 Hz with the glass almost full of water) instead of increased when I poor water in the glass. It should be increased as the air column is shortend ? or ?
Can anyone help ?
-ZeroGravity
So the even overtones are suppresed just as in a half-open resonant tube (a pan flute)
Here is my question :
Why is the frequency lowered (to about 500 Hz with the glass almost full of water) instead of increased when I poor water in the glass. It should be increased as the air column is shortend ? or ?
Can anyone help ?
-ZeroGravity