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An organ pipe has a fundamental frequenc...

An organ pipe has a fundamental frequency of 200 Hz. Calculate the frequency of
(a) `2^(nd)` harmonic if it is open at both ends.
(b) `2^(nd)` harmonic if it is closed at one end.
(c) third overtone if it is closed at one end.
(d) fifth overtone if it is open at both ends.

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The correct Answer is:
400 Hz, does not exist, 1400 Hz, 1200 Hz
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