- 1(current)
Q. No.Consider the following two statements.
| (A): | If heat is added to a system, its temperature must increase. |
| (B): | If positive work is done by a system in a thermodynamic process, its volume must increase. |
| 1. | Both A and B are correct. |
| 2. | A is correct but B is wrong. |
| 3. | B is correct but A is wrong. |
| 4. | Both A and B are wrong. |
Subtopic: Â Work Done by a Gas |
 54%
From NCERT
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The figure shows the \((P\text-V)\) diagram of an ideal gas undergoing a change of state from \(A\) to \(B\). Four different paths \(\mathrm{I, II, III}\) and \(\mathrm{IV}\), as shown in the figure, may lead to the same change of state.
| (a) | The change in internal energy is the same in cases \(\mathrm{IV}\) and \(\mathrm{III}\) but not in cases \(\mathrm{I}\) and \(\mathrm{II}\). |
| (b) | The change in internal energy is the same in all four cases. |
| (c) | Work done is maximum in case \(\mathrm{I}\). |
| (d) | Work done is minimum in case \(\mathrm{II}\). |
Which of the following options contains only correct statements?
| 1. | (b), (c), (d) | 2. | (a), (d) |
| 3. | (b), (c) | 4. | (a), (c), (d) |
Subtopic: Â Work Done by a Gas |
 78%
From NCERT
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Hints
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A gas expands from \(i\) to \(f\) along the three paths indicated. The work done along the three paths denoted by \(W_1, W_2, ~\text{and}~W_3\) have the relationship:
1. \(W_1<W_2<W_3\)
2. \(W_2<W_1=W_3\)
3. \(W_2<W_1<W_3\)
4. \(W_1>W_2>W_3\)
1. \(W_1<W_2<W_3\)
2. \(W_2<W_1=W_3\)
3. \(W_2<W_1<W_3\)
4. \(W_1>W_2>W_3\)
Subtopic: Â Work Done by a Gas |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
- 1(current)
Q. No.
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