Q. No.| 1. | point functions |
| 2. | extensive thermodynamic state variables |
| 3. | path function |
| 4. | intensive thermodynamic state variables |
1. pressure
2. volume
3. temperature
4. area
In an isothermal change, an ideal gas obeys:
| 1. | Boyle's law | 2. | Charles law |
| 3. | Gay-Lussac law | 4. | None of the above |
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. | \(\Delta U_1\neq\Delta U_2\) |
A system goes from A to B via two processes I and II as shown in figure. If ΔUI and ΔUII are the changes in internal energies in the processes I and II respectively, then
(1) ΔUII > ΔUI
(2) ΔUII < ΔUI
(3) ΔUI = ΔUII
(4) Relation between ΔUI and ΔUII can not be determined
| 1. | \(\dfrac{3}{4}{\mathit{\rho}}_{0}\) | 2. | \(\dfrac{3}{2}{\mathit{\rho}}_{0}\) |
| 3. | \(\dfrac{4}{3}{\mathit{\rho}}_{0}\) | 4. | \(2{\mathit{\rho}}_{0}\) |
A process is considered reversible if it satisfies which of the following conditions?
1. It is quasi-static.
2. It is non-dissipative.
3. Both (1) and (2).
4. Neither (1) nor (2).
| 1. | \( 280 \mathrm{~J} \) | 2. | \( 800 \mathrm{~J} \) |
| 3. | \( 420 \mathrm{~J} \) | 4. | \( 840 \mathrm{~J}\) |
Which of the following can not determine the state of a thermodynamic system?
| 1. | pressure and volume |
| 2. | volume and temperature |
| 3. | temperature and pressure |
| 4. | any one of pressure, volume, or temperature |
| 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. |
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