Thermal diffusivity is

Thermal diffusivity is Correct Answer A physical property of the material

Thermal Diffusivity is defined as the ratio of heat conducted to the heat energy stored per unit volume of a material.
Its SI unit is m2/s.
It describes how fast heat can be transferred across the medium.
Greater the value of thermal diffusivity, faster is the propagation of heat through the medium.
Bissoy MCQ

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