The quantity of heat required to take a system from \(\mathrm{A}\) to \(\mathrm{C}\) through the process \(\mathrm{ABC}\) is \(20\) cal. The quantity of heat required to go from \(\mathrm{A}\) to \(\mathrm{C}\) directly is:
 


1. \(20\) cal
2. \(24.2\) cal
3. \(21\) cal
4. \(23\) cal
Subtopic:  Cyclic Process |
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Given below are two statements: 
Assertion (A): Internal energy of an ideal gas does not change when it is taken through a cyclic process.
Reason (R): Internal energy is a state function, and when the gas returns to the same state – it attains the same value independent of the process.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Cyclic Process |
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