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Resonance

A uniform tub...

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A uniform tube 40 cm long,s†an ds vertically with lower end dipping in to the water.When its length above water is 12 cm,and again when it is 36 cm,the tube resonates to a vibrating tuning fork of frequency 400 Hz.The lowest frequency to which this tube can resonate when taken out of water is nearly

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Q. A uniform tube of length 60 cm stands vertically with its lower end dipping into water. First two air column lengths above water are 15 cm and 45 cm, when the tube responds to a vibrating fork of frequency 500 Hz. Find the lowest frequency (in Hz) to which the tube will respond when it is open at both ends.

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