Thermal diffusivity of a substance is proportional to (where, k = Ther

1.	Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity) ____________________?
A.	1/k
B.	k
C.	k2
D.	1/k2
Answer» C. k2

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Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity) ____________________?

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