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"Heat cannot by itself flow from a body ...

"Heat cannot by itself flow from a body at lower temperature to a body at higher temperature" is a statement or consequence of

A

Second law of thermodynamics

B

Conservation of momentum

C

Conservation of mass

D

First law of thermodynamics

Text Solution

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The correct Answer is:
A
Second law of thermodynamics is the law of direction. Heat always transfers with negative temperature gradient.
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