Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-numerical-Medium-Class 11
Using Bernoulli's equation, what is the speed of efflux from a hole at the side of a container filled with water to a height of 5 meters, assuming the container is open to the atmosphere?
A
9.9 m/s
B
7.5 m/s
C
5.5 m/s
D
11.2 m/s
Correct Answer
Option A
Detailed Explanation
The speed of efflux is calculated using Torricelli’s law derived from Bernoulli’s equation, v = √(2gh). For h = 5 m, v = √(2 * 9.8 m/s² * 5 m) = 9.9 m/s.
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