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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  1999
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A cylindrical tube (L = 125 cm) is resonant with a tuning fork of frequency 330 Hz. If it is filling by water then to get resonance again, minimum length of water column is$ (V_{air} = 330 m/s)$ -


( A ) 25 cm
( B ) 20 cm
( C ) 50 cm
( D ) 60 cm

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