Physics-Viscosity
NEET Physics Viscosity MCQ Question
Type: MCQ-numerical-Medium-Class 11
If a fluid has a shearing stress of 5 N/m² and a strain rate of 0.5 s⁻¹, what is its viscosity?
A
10 Pa s
B
0.1 Pa s
C
5 Pa s
D
25 Pa s
Correct Answer
Option A
Detailed Explanation
Viscosity is defined as the ratio of shearing stress to the strain rate. Therefore, viscosity η = 5 N/m² / 0.5 s⁻¹ = 10 Pa s.
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