A Vibrating Tuning Fork of 725 Hz Is Held Above $\Delta$

question 77

Multiple Choice

A vibrating tuning fork of 725 Hz is held above a tube filled with water.Successive resonances are heard when the water level is lowered by 11.5 cm and 34.5 cm from the top of the tube.Calculate a value for the speed of sound.(Hint: remember the small end correction $\Delta$ L at the top of the tube.)

• A)333 m/s
• B)343 m/s
• C)325 m/s
• D)315 m/s
• E)338 m/s

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