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Question

Physics Question on Bernauli Theorem

Pressure head in Bernoulli's equation is

A

Pρg\frac{P_{\rho}}{g}

B

Pρg\frac{P}{\rho g}

C

ρg\rho g

D

PρgP\rho g

Answer

Pρg\frac{P}{\rho g}

Explanation

Solution

Bernoulli's equation is P+ρgh+12ρv2P+\rho gh+\frac{1}{2}\rho v^{2} = a constant, or Pρg+h+12v2g \frac{P}{\rho g}+h+\frac{1}{2} \frac{v^{2}}{g} = constant, Here, Pρg \frac{P}{\rho g} is called pressure head.