A) Increases by 2%
B) Decreases by 2%
C) Remains unchanged
D) Sometimes increases and sometimes decreases
Correct Answer: A
Solution :
\[h=\frac{P}{\rho g}\] \\[h\propto \frac{1}{g}\] (P and r are constant) If value of g decreased by 2% then h will increase by 2%.
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