A tuning fork with a frequency of 350 Hz is used to determine the resonance in a pipe open at both ends. a) If it is 15 ° C, calculate the length of the air column when in the third mode of resonance (3rd harmonic). b) Explain the difference if the tube, being the same length, had a closed end.

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A tuning fork with a frequency of 350 Hz is used to determine the resonance in a pipe open at both ends. a) If it is 15 ° C, calculate the length of the air column when in the third mode of resonance (3rd harmonic). b) Explain the difference if the tube, being the same length, had a closed end.
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