railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Statements of Second Law of Thermodynamics
Which of the following is correct for an isolated system?
1
Work is done on the isolated system.
2
The energy of an isolated system is always constant.
3
Heat is transferred to an isolated system from the surroundings.
4
Heat is transferred from an isolated system to the surroundings.