“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

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State the main points of the second law of thermodynamics.

When $1\, kg$ of ice at $0^\circ C$ melts to water at $0^\circ C,$ the resulting change in its entropy,taking latent heat of ice to be $80\, cal/g,$ is ...... $cal/K$.

Which of the following is a $FALSE$ statement?

Can the whole of heat be converted into work?

Entropy of a system decreases .........

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