A Vertical Tube One Metre Long Is Open at the Top

question 48

Multiple Choice

A vertical tube one metre long is open at the top. It is filled with 75 cm of water. If the velocity of sound is 344 m/s, what will the fundamental resonant frequency be (in Hz) ?

• A)3.4
• B)172
• C)344
• D)1.7
• E)688

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