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A vibrating tuning fork is held over a measuring cylinder, as shown.
Water is then gradually poured into the measuring cylinder. A much louder sound is first heard
when the water level is 2.9 cm above the base of the measuring cylinder. A second much louder
sound is heard when the water level reaches a height of 67.3 cm above the base.
The speed of sound in air is 330 ms–1.
What is the frequency of the tuning fork?
Water is then gradually poured into the measuring cylinder. A much louder sound is first heard
when the water level is 2.9 cm above the base of the measuring cylinder. A second much louder
sound is heard when the water level reaches a height of 67.3 cm above the base.
The speed of sound in air is 330 ms–1.
What is the frequency of the tuning fork?
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