The ratio of the relative rise in pressure for adiabatic compression to that for isothermal compression is
1.
2.
3. 1-
4.
1. \(T\)
2. \(2T\)
3. \(\sqrt{2}T\)
4. \(\frac{T}{2}\)
Match the following:
| Column I | Column II | ||
| \(P\). | Process-I | \(\mathrm{a}\). | Adiabatic |
| \(Q\). | Process-II | \(\mathrm{b}\). | Isobaric |
| \(R\). | Process-III | \(\mathrm{c}\). | Isochoric |
| \(S\). | Process-IV | \(\mathrm{d}\). | Isothermal |
| 1. | \(P \rightarrow \mathrm{a}, Q \rightarrow \mathrm{c}, R \rightarrow \mathrm{d}, S \rightarrow \mathrm{b}\) |
| 2. | \(P \rightarrow \mathrm{c}, Q \rightarrow \mathrm{a}, R \rightarrow \mathrm{d}, S \rightarrow b\) |
| 3. | \(P \rightarrow \mathrm{c}, Q \rightarrow \mathrm{d}, R \rightarrow \mathrm{b}, S \rightarrow \mathrm{a}\) |
| 4. | \(P \rightarrow \mathrm{c}, Q \rightarrow \mathrm{d}, R \rightarrow \mathrm{b}, S \rightarrow \mathrm{a}\) |
During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its temperature. The ratio of CP/CV for the gas is equal to:
| 1. | 4/3 | 2. | 2 |
| 3. | 5/3 | 4. | 3/2 |
One mole of an ideal gas from an initial state A undergoes via two processes. It first undergoes isothermal expansion from volume V to 3V and then its volume is reduced from 3V to V at constant pressure. The correct P-V diagram representing the two processes is -
1. 
2. 
3. 
4. 
A mass of diatomic gas (=1.4) at a pressure of 2 atm is compressed adiabatically so that its temperature rise from to The pressure of the gas is final state is-
(1) 28 atm
(2) 68.7 atm
(3) 256 atm
(4) 8 atm
If represent the increase in internal energy and work done by the system respectively in a thermodynamical process,which of the following is true?
(1) in a adiabatic process
(2) in a isothermal process
(3) in adiabatic process
(4) in a isothermal process
A monoatomic gas at pressure and is compressed adiabatically to its original volume. What is the final pressure of the gas ?
1,
2.
3.
4.
In thermodynamic processes, which of the following statements is not true?
| 1. | In an adiabatic process, the system is insulated from the surroundings. |
| 2. | In an isochoric process, the pressure remains constant. |
| 3. | In an isothermal process, the temperature remains constant. |
| 4. | In an adiabatic process, \(P V^\gamma\) = constant. |
The specific heat at constant pressure and at constant volume for an ideal gas are and and its adiabatic and isothermal elasticities are and respectively. The ratio of to is
1.
2.
3.
4.
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