In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.
Options:
A . μ , α and θ all have units of m/s
B . μ , α and θ all have units of m²/s
C . α and θ have units of m²/s, while μ has unit of m/s
D . α and θ have units of m/s, while μ has unit of m²/s
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