What is the frequency of this standing wave

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You blow across the open mouth of an empty test tube and produce the fundamental standing wave in the 14.0-cm-long air column in the test tube, which acts as a stopped pipe. The speed of sound in air is 344 m/s.

a.) What is the frequency of this standing wave?

Express your answer with the appropriate units.

b.) What is the frequency of the fundamental standing wave in the air column if the test tube is half-filled with water?

Express your answer with the appropriate units.

Reference no: EM132647596

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