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A pipe 20 cm long in closed at one end. ...

A pipe 20 cm long in closed at one end. Which harmonic mode of the pipe is resonantly excited by a 430 Hz source ? Will this same source be in resonance with the pipe if both ends are open ? (Speed of Sound = 344 m/s)

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To solve the problem, we need to analyze the closed pipe and the open pipe separately. ### Step 1: Determine the fundamental frequency of the closed pipe A closed pipe has one end closed and one end open. The fundamental frequency (first harmonic) is given by the formula: \[ f_1 = \frac{v}{4L} \] ...
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