If C is the concentration of the diffusing species at distance x from – McqOptions

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1.	If C is the concentration of the diffusing species at distance x from the source and time t, then according to Fick’s second law (assuming diffusion coefficient, D is constant):
A.	∂C/∂x = D.(∂C/∂t)
B.	∂C/∂t = D.(∂2C/∂x2)
C.	∂C/∂x = D.(∂2C/∂t2)
D.	∂C/∂t = D.(∂C/∂x)
Answer» C.

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