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JEE Physics · Medium

Sound Waves: Open Pipe MCQ

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Open PipeMediumQuestion 31250

Question

The 5th harmonic of an open pipe of length 0.5 m (v = 340 m/s) is:
  1. A
    340 Hz
  2. B
    1700 Hz
    Correct
  3. C
    680 Hz
  4. D
    850 Hz

Correct answer

1700 Hz

Explanation

f_n = nv/(2L) = 5×340/(2×0.5) = 5×340 = 1700 Hz.

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