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How does the temperature change when the state of an ideal gas is changed according to the process shown in the figure?

1. | temperature increases continuously. |

2. | temperature decreases continuously. |

3. | temperature first increases and then decreases. |

4. | temperature first decreases and then increases. |

Subtopic: Ideal Gas Equation |

72%

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In the PV graph shown below for an ideal diatomic gas, the change in the internal energy is:

1. $\frac{3}{2}\mathrm{P}({\mathrm{V}}_{2}-{\mathrm{V}}_{1})$

2. $\frac{5}{2}\mathrm{P}({\mathrm{V}}_{2}-{\mathrm{V}}_{1})$

3. $\frac{3}{2}\mathrm{P}({\mathrm{V}}_{1}-{\mathrm{V}}_{2})$

4. $\frac{7}{2}\mathrm{P}({\mathrm{V}}_{1}-{\mathrm{V}}_{2})$

Subtopic: Law of Equipartition of Energy |

80%

From NCERT

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The figure shows a process for a gas in which pressure (P) and volume (V) of the gas change. If ${C}_{1}$ and ${C}_{2}$ are the molar heat capacities of the gas during the processes AB and BC respectively, then:

1. ${C}_{1}={C}_{2}$

2. ${C}_{1}>{C}_{2}$

3. ${C}_{1}<{C}_{2}$

4. ${C}_{1}\le {C}_{2}$

Subtopic: Specific Heat |

65%

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The change in the internal energy of an ideal gas does not depend on?

1. | Number of moles |

2. | Change in temperature |

3. | Specific heat at constant pressure \(C_p\) of the gas |

4. | Specific heat at constant volume \(C_v\) of the gas |

Subtopic: Law of Equipartition of Energy |

73%

From NCERT

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When the gas in an open container is heated, the mean free path:

1. | Increases |

2. | Decreases |

3. | Remains the same |

4. | Any of the above depending on the molar mass |

Subtopic: Mean Free Path |

58%

From NCERT

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The translational kinetic energy of oxygen molecules at room temperature is 60 J. Their rotational kinetic energy will be?

1. 40 J

2. 60 J

3. 50 J

4. 20 J

Subtopic: Law of Equipartition of Energy |

67%

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The translational kinetic energy of *n *moles of a diatomic gas at absolute temperature *T *is given by:

1. $\frac{5}{2}nRT$

2. $\frac{3}{2}nRT$

3. $\mathit{5}nRT$

4. $\frac{7}{2}nRT$

Subtopic: Kinetic Energy of an Ideal Gas |

64%

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If the pressure of a gas is doubled, then the average kinetic energy per unit volume of the gas will be:

1. | half of its initial value. | 2. | double its initial value. |

3. | one-fourth of its initial value. | 4. | four times its initial value. |

Subtopic: Kinetic Energy of an Ideal Gas |

82%

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When a large bubble rises from the bottom of a lake to the surface, its radius doubles. The atmospheric pressure is equal to that of a column of water of height H. The depth of the lake is:

1. H

2. 2H

3. 7H

4. 8H

Subtopic: Ideal Gas Equation |

64%

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How does the pressure of an ideal gas change during the process shown in the diagram?

1. | pressure increases continuously. |

2. | pressure decreases continuously. |

3. | pressure first increases and then decreases. |

4. | pressure first decreases and then increases. |

Subtopic: Ideal Gas Equation |

56%

From NCERT

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