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Physics - Fluid Question with Solution | TestHub

PhysicsFluidMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

Water drains out of a vessel filled with water upto height $h$ through a hole of area A in $t$ seconds. If the height of the water is $4 h$ then how much time will be required for the water to drain out? [Assume $A ≪ A_{0}$ (area of tank)]

Options:

Answer:

Solution:

Time required to empty the tank

$t = \frac{A}{A_{0}} \sqrt{\frac{2 H}{g}} \Rightarrow \frac{t_{2}}{t_{1}} = \sqrt{\frac{H_{2}}{H_{1}}} = \sqrt{\frac{4h}{h}} = 2$

${∴ t}_{2} = 2 t$ seconds

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:FluidSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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