Q.

Correct Bernoulli's equation is (symbols have their usual meaning)              [2024]

1 P+ρgh+12ρv2=constant  
2 P+ρgh+ρv2=constant  
3 P+mgh+12mv2=constant  
4 P+12ρgh+12ρv2=constant  

Ans.

(1)    

         P+ρgh+12ρv2=constant

          Energy per unit volume is conserved.