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Q. No.Refer to the given figure. Let \(\Delta U_1\) and \(\Delta U_2\) be the changes in internal energy of the system in processes \(A\) and \(B\). Then:
| 1. | \(\Delta U_1>\Delta U_2\) | 2. | \(\Delta U_1=\Delta U_2\) |
| 3. | \(\Delta U_1<\Delta U_2\) | 4. | \(\Delta U_1\neq\Delta U_2\) |
Subtopic: Â Basic Terms |
 86%
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Consider the following statements and select the correct option.
| Statement (A): | Heat is not a state function. |
| Statement (B): | Heat supplied to a system is a path function. |
| 1. | Both statements (A) and (B) are True. |
| 2. | Both statements (A) and (B) are False. |
| 3. | Only statement (A) is True. |
| 4. | Only statement (B) is True. |
Subtopic: Â Basic Terms |
 70%
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The pressure versus temperature graph of an ideal gas is as shown in the figure. The density of the gas at point \(A\) is \({\mathit{\rho}}_{0}\). Density at point \(B\) will be:
| 1. | \(\dfrac{3}{4}{\mathit{\rho}}_{0}\) | 2. | \(\dfrac{3}{2}{\mathit{\rho}}_{0}\) |
| 3. | \(\dfrac{4}{3}{\mathit{\rho}}_{0}\) | 4. | \(2{\mathit{\rho}}_{0}\) |
Subtopic: Â Basic Terms |
 80%
From NCERT
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At \(0^\circ \text{C},\) the ratio of the density of fixed mass of an ideal gas divided by its pressure is \(P.\) The ratio at \(200^\circ \text{C}\) is:
| 1. | \(\dfrac{100}{473}P\) | 2. | \(\dfrac{273}{473}P\) |
| 3. | \(\dfrac{273}{100}P\) | 4. | \(\dfrac{473}{273}P\) |
Subtopic: Â Basic Terms |
 67%
From NCERT
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In an isothermal change, an ideal gas obeys:
| 1. | Boyle's law | 2. | Charles law |
| 3. | Gay-Lussac law | 4. | None of the above |
Subtopic: Â Basic Terms |
 87%
From NCERT
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Given below are two statements:
| Assertion (A): | The internal energy of an ideal gas does not depend on the volume of the gas. |
| Reason (R): | Internal energy depends only on the temperature of a gas. |
| 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: Â Basic Terms |
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