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[" A small hallow vessel which has a sma...

[" A small hallow vessel which has a small hole in it is immersed in water to a depth of "],[40cm" before waler onlors into the vessel.Calculate the radius of the hole.(Surface tonsion of "],[" watar "=70times10^(-1)N/m" ,densily of water "=10'kg/m'" ] "]

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