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Physics-Bernoulli's Principle

NEET Physics Bernoulli's Principle MCQ Question

Type: MCQ-numerical-Medium-Class 11

A fluid flows through a pipe with varying height and cross-sectional area. At point A, the pressure is 5000 Pa, the velocity is 3 m/s, and the height is 2 m. At point B, the height is 5 m and the velocity is 1 m/s. Assuming the fluid is incompressible and the flow is steady, what is the pressure at point B? (Assume g = 9.8 m/s² and density of the fluid = 1000 kg/m³.)

A

2300 Pa

B

4700 Pa

C

5300 Pa

D

7700 Pa

Correct Answer

Option A

Detailed Explanation

Using Bernoulli's equation, the sum of pressure energy, kinetic energy per unit volume, and potential energy per unit volume remains constant along the streamline. By substituting values for points A and B, the pressure at point B is found to be 2300 Pa.

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