NEET Physics Viscosity MCQ Question
Consider a diagram showing two parallel plates with a viscous fluid between them. The top plate is moving with velocity v while the bottom plate is stationary. Which of the following best describes the relationship between the shearing stress and the strain rate in the fluid?
Shearing stress is directly proportional to the strain rate.
Shearing stress is inversely proportional to the strain rate.
Shearing stress is independent of the strain rate.
Shearing stress is exponentially related to the strain rate.
Correct Answer
Detailed Explanation
According to the NCERT context, the coefficient of viscosity is defined as the ratio of shearing stress to the strain rate, indicating a direct proportionality.
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