Which of the following is not dimension-less ?
Correct answer: B. Kinematic viscosity
- A. Froude number
- B. Kinematic viscosity
- C. Pressure co-efficient
- D. None of these
Explanation
Kinematic viscosity has dimensions of area divided by time, or L²/T, so it is dimensional. The Froude number and pressure coefficient are ratios of like-dimensional quantities and are therefore dimensionless.
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