24. “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
Answer-a
(10)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)