Question

How does the amount of water in a glass affect the pitch?

Answer 1

The more water you add to the bottle, the slower the glass vibrates, creating a lower pitch. ... Adding water to the bottle decreases the amount of air space, which means there is less air to vibrate. With less air, the vibrations happen more quickly and produce a higher pitch.

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Answer 2

The more water you add to the bottle, the slower the glass vibrates, creating a lower pitch. ... Adding water to the bottle decreases the amount of air space, which means there is less air to vibrate. With less air, the vibrations happen more quickly and produce a higher pitch.