The fundamental frequency of a vibrating organ pipe is 10 Hz. Select the wrong alternative.

The fundamental frequency of a vibrating organ pipe is 10 Hz. Select the wrong alternative.
  1. The first overtone is 200 Hz
  2. The first overtone may be 400 Hz
  3. The first overtone may be 300 Hz
  4. None of the above

Solution

If it is closed pipe, first overtone will be 300 Hz and if it is open pipe, first overtone will be 200 Hz.

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