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| Q.53 | A closed system undergoes a process in which the work done by the system is 100 J and the internal energy decreases by 50 J. According to the first law of thermodynamics, what is the amount of heat transferred into or out of the system? | |
| Ans | 1. 150 J | |
| 2. −50 J | ||
| 3. 50 J | ||
| 4. −150 J |
Correct Ans Provided: 3
