1.

The simple one-dimensional diffusion process can be given by:

A. \(\frac{\partial c\left( x,t \right)}{\partial t}=D\frac{\partial c}{\partial x}\left( x,t \right)\)
B. \(\frac{{{\partial }^{2}}c~\left( x,t \right)}{\partial {{t}^{2}}}=D\frac{{{\partial }^{2}}c}{\partial {{x}^{2}}}\left( x,t \right)\)
C. \(\frac{\partial c\left( x,t \right)}{\partial t}=D\frac{{{\partial }^{2}}c}{\partial {{x}^{2}}}\left( x,t \right)\)
D. \(\frac{{{\partial }^{2}}c\left( x,t \right)}{\partial {{t}^{2}}}=D\frac{\partial c}{\partial x}\left( x,t \right)\)
Answer» D. \(\frac{{{\partial }^{2}}c\left( x,t \right)}{\partial {{t}^{2}}}=D\frac{\partial c}{\partial x}\left( x,t \right)\)


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