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.( <sup>2</sup>C/ x<sup>2</sup>)
C.	C/ x = D.( <sup>2</sup>C/ t<sup>2</sup>)
D.	C/ t = D.( C/ x)
Answer» C. C/ x = D.( <sup>2</sup>C/ t<sup>2</sup>)

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