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Physics-Pressure in Fluids

NEET Physics Pressure in Fluids MCQ Question

Type: MCQ-numerical-Hard-Class 11

A liquid with a density of 1.03 × 10^3 kg/m^3 is contained in a tank with a small hole at the bottom. If the atmospheric pressure is 1.01 × 10^5 Pa and the height of the liquid column above the hole is 10 m, what is the speed of efflux of the liquid through the hole?

A

14 m/s

B

10 m/s

C

20 m/s

D

30 m/s

Correct Answer

Option B

Detailed Explanation

Using Torricelli’s law, the speed of efflux v = sqrt(2gh). Substituting g = 10 m/s^2 and h = 10 m, v = sqrt(2 * 10 * 10) = 10 m/s.

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