A Vibrating Tuning Fork of 725 Hz Is Held Above

question 136

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 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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