Bernoulli's Equation
An incompressible fluid (ideal fluid) is flowing through non uniform cross-sectional tube PQ as shown in the figure from end P to end Q. If and are the kinetic energy per unit volume of the fluid at end P and end Q respectively, then

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Answer: (d)
- From the figure ; continuity gives .
- KE per unit volume , so .
- So the answer is (d).