Choose the correct set of dimensions of viscosity that are equivalent (where, F, M, L, T are dimensions for force, mass, length and time respectively) ?
Correct answer: A. FL-2T, ML-1T-1
- A. FL-2T, ML-1T-1
- B. FLT, ML-1T-1
- C. ML-1T-3, F-1L2T
- D. F-1L2T-1, MLT-3
Explanation
Dynamic viscosity has dimensions ML^-1T^-1. Since F = MLT^-2, this is also equivalent to FL^-2T, so both expressions in option a represent viscosity.
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