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NEETPhysicsWaves and Sound

Which harmonic mode of a closed-end pipe, 20 cm long, is resonantly excited by a 430 Hz source?

Options

  1. AFirst harmonic (fundamental frequency)
  2. BSecond harmonic
  3. CThird harmonic
  4. DFourth harmonic

Correct answer

A. First harmonic (fundamental frequency)

Step-by-step solution

Correct Option is : (A) First harmonic (fundamental frequency)

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