The frequency of the fundamental note of a tube closed at one end is 200 Hz. The frequency of the fundamental note of a similar tube of same length but open at both ends is
A
400 Hz
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B
500 Hz
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C
600 Hz
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D
700 Hz
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Solution
The correct option is D 400 Hz Fundamental frequency is 200Hz=v4L -----(1)
( ∵ it is closed at one end it acts as closed organ pipe )