JEE Main2003PhysicsThermodynamicsActual
"Heat cannot by itself flow from a body at lower temperature to a body at higher temperature" is a statement or consequence of
Options
- Asecond law of thermodynamics
- Bconservation of momentum
- Cconservation of momentum
- Dfirst law of thermodynamics
Correct answer
A. second law of thermodynamics
Step-by-step solution
External amount of work must be done in order to flow heat from lower temperature to higher temperature. This is according to second law of thermodynamics.