`p_(1)-p_(2)=(1)/(2)rho_(a)v_(a)^(2)`
`p_(3)-p_(2)=(1)/(2)rho_(l)v_(l)^(2)implies p_(3)=p_(1)`
`therefore (1)/(2)rho_(l)v_(l)^(2)=(1)/(2)rho_(a)v_(a)^(2)implies v_(l)=sqrt((rho_(a))/(rho_(l)))v_(a)`
`therefore` आयतन प्रवाह दर `propsqrt((rho_(a))/(rho_(l)))`