Asked in PMC Practice Test 31 (2021) 2021

A stationary wave is formed in a pipe which is open at one end. If length of pipe is L, then what is the maximum possible wavelength of the wave?

Correct answer: D. 4 L

  • A. L2
  • B. 2 L
  • C. 3 L
  • D. 4 L

Explanation

In a tube with one open end and one closed end f1 = v/4L, λ = v/f = 4L

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About Organ Pipes

Organ pipes produce standing sound waves in air columns, with resonance determined by whether each end is open or closed. The topic covers nodes, antinodes, fundamental frequency, harmonics, wavelength and end correction. Open pipes support all harmonics, while closed pipes support only odd harmonics under the ideal model.

Practise Waves

1,281 free Waves MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.

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