First slide

Pressure in a fluid-mechanical properties of fluids

Question

The value of g at a place decreases by 2%. The barometric height of mercury

Moderate

A

Increases by 2%
B

Decreases by 2%
C

Remains unchanged
D

Sometimes increases and sometimes decreases

Solution

$h = \frac{P}{ρg} ∴ h \propto \frac{1}{g} (P and ρ are constant)$
If value of g decreased by 2% then h will increase by 2%.

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