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The graph between volume and temperature in Charle's law is?

1. an ellipse

2. a circle

3. a straight line

4. a parabola

Subtopic: Ideal Gas Equation |

88%

From NCERT

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Two vessels separately contain two ideal gases \(\mathrm{A}\) and \(\mathrm{B}\) at the same temperature, the pressure of \(\mathrm{A}\) being twice that of \(\mathrm{B}\). Under such conditions, the density of \(\mathrm{A}\) is found to be \(1.5\) times the density of \(\mathrm{B}\). The ratio of molecular weight of \(\mathrm{A}\) and \(\mathrm{B}\) is:

1. | \(\frac{2}{3}\) | 2. | \(\frac{3}{4}\) |

3. | \(2\) | 4. | \(\frac{1}{2}\) |

Subtopic: Ideal Gas Equation |

86%

From NCERT

NEET - 2015

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An isolated system-

1. | is a specified region where transfer of energy and mass takes place |

2. | is a region of constant mass and only energy is allowed through the closed boundaries |

3. | is one in which mass within the system is not necessarily constant. |

4. | cannot transfer neither energy nor mass to or from the surroundings. |

Subtopic: Ideal Gas Equation |

85%

From NCERT

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The figure below shows the graph of pressure and volume of a gas at two temperatures ${\mathrm{T}}_{1}$ and ${\mathrm{T}}_{2}$. Which one, of the following, inferences is correct?

1. | \(\mathrm{T}_1>\mathrm{T}_2\) |

2. | \(\mathrm{T}_1=\mathrm{T}_2\) |

3. | \(\mathrm{T}_1<\mathrm{T}_2\) |

4. | No inference can be drawn |

Subtopic: Ideal Gas Equation |

85%

From NCERT

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The volume \(V\) versus temperature \(T\) graph for a certain amount of a perfect gas at two pressures \(\mathrm{P}_1\) and $$

\(\mathrm{P}_2\) are shown in the figure. Here:

1. | _{\(\mathrm{P}_1<\mathrm{P}_2\)} |

2. | _{\(\mathrm{P}_1>\mathrm{P}_2\)} |

3. | _{\(\mathrm{P}_1=\mathrm{P}_2\)} |

4. | Pressures can’t be related |

Subtopic: Ideal Gas Equation |

83%

From NCERT

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During an experiment, an ideal gas is found to obey an additional law VP^{2} = constant. The gas is initially at temperature T and volume V. What will be the temperature of the gas when it expands to a volume 2V?

1. $\mathrm{T}\text{'}=\sqrt{4}\mathrm{T}$

2. $\mathrm{T}\text{'}=\sqrt{2}\mathrm{T}$

3. $\mathrm{T}\text{'}=\sqrt{5}\mathrm{T}$

4. $\mathrm{T}\text{'}=\sqrt{6}\mathrm{T}$

Subtopic: Ideal Gas Equation |

81%

From NCERT

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Volume, pressure, and temperature of an ideal gas are \(V\), \(P\), and \(T\) respectively. If the mass of its molecule is *\(m\),* then its density is: [\(k\)=Boltzmann's constant]

1. | \(mkT\) | 2. | \(P \over kT\) |

3. | \(P \over kTV\) | 4. | \(Pm \over kT\) |

Subtopic: Ideal Gas Equation |

81%

From NCERT

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Which one, of the following, graphs represents the behaviour of an ideal gas at constant temperature?

1. | 2. | ||

3. | 4. |

Subtopic: Ideal Gas Equation |

77%

From NCERT

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The equation of state for 5g of oxygen at a pressure P and temperature T, when occupying a volume V, will be: (where R is the gas constant)

1. PV = 5 RT

2. PV = (5/2) RT

3. PV = (5/16) RT

4. PV = (5/32) RT

Subtopic: Ideal Gas Equation |

83%

From NCERT

AIPMT - 2004

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Two thermally insulated vessels \(1\) and \(2\) are filled with air at temperatures \(\mathrm{T_1},\) \(\mathrm{T_2},\) volume \(\mathrm{V_1},\) \(\mathrm{V_2}\) and pressure \(\mathrm{P_1},\) \(\mathrm{P_2}\) respectively. If the valve joining the two vessels is opened, the temperature inside the vessel at equilibrium will be:

1. \(T_1+T_2\)

2. \(\frac{T_1+T_2}{2}\)

3. \(\frac{T_1T_2(P_1V_1+P_2V_2)}{P_1V_1T_2+P_2V_2T_1}\)

4. \(\frac{T_1T_2(P_1V_1+P_2V_2)}{P_1V_1T_1+P_2V_2T_2}\)

Subtopic: Ideal Gas Equation |

69%

From NCERT

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Hints

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