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A vertical U-tube of uniform cross-secti...

A vertical U-tube of uniform cross-section contains water upto a height of 30 cm. show that if the water in one limb is depressed and then released, its up and down motion in the two limbs of the tube is simple harmonic and calculate its time-period.

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`T=2pisqrt((h)/(g))=2xx(22)/(7)sqrt((0.3)/(9.8))=1.089s`
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