The unit of dynamic viscosity in S.I. units is
A. N-m/s2
B. N-s/m2
C. Poise
D. Stoke
Answer: Option B
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The dynamic viscosity has the dimension ML-1T-1 and the unit of kg/m.s (or, N.s/m2 or Pa. s). A common unit of dynamic viscosity is poise which is equivalent to 0.1 Pa.