An air column in a pipe, which is closed at one end, will be in resonance with a vibrating tunin...

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An air column in a pipe, which is closed at one end, will be in resonance with a vibrating tuning fork of frequency
P \( 264 \mathrm{~Hz} \), if the length of the column in \( \mathrm{cm} \) is (Speed of sound

W) in air \( =330 \mathrm{~m} / \mathrm{s} \) )
(1985, 2M)
(a) \( 31.25 \)
(b) \( 62.50 \)
(c) \( 93.75 \)
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