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  4. In a u-tube as shown in figure, water and oil are in the left side and right side of the tube respectively. The heights from the bottom for water and oil columns are 15 cm and 20 cm respectively. The density of the oil is :- [take ρwater = 1000 kg/m3]

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Q. In a u-tube as shown in figure, water and oil are in the left side and right side of the tube respectively. The heights from the bottom for water and oil columns are 15 cm and 20 cm respectively. The density of the oil is :-
[take $\rho_{water}$ = 1000 kg/m$^3$]Physics Question Image

NEETNEET 2019Mechanical Properties of Fluids

Solution:

$\ce{\rho_{oil} \,h_{oil} = \rho_{water} \,h_{water}}$
$\Rightarrow \ce{\rho_{oil}} = \frac{1000(15)}{20}$
$=750\,kg\,m^{-3}$