1.

A tank is filled with two immescible liquids of densities 2rho and rho each of height h. Two holes are made to the side wall at h/2 and (3h)/2 from upper surface of the liquid, then find the ratio of velocity of efflux of the liquids through the holes.

Answer»

SOLUTION :According to Bernoullis theroem, to FIND `v_(1)`

`P+rho g(h/2)=P+1/2(rho)(v_(1)^(2))impliesv_(1)=sqrt(gh))`
to find `v_(2)-P+(rhogh)+(2RHO)g(h/2)=1/2(2rho )v_(2)^(2)+P`
`impliesv_(2)=sqrt(2gh):. (v_(1))/(v_(2))=1/(sqrt(2))`


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