For a constant volume gas thermometer, one should fill the gas at

1. low temperature and low pressure

2. low temperature and high pressure

3. high temperature and low pressure

4. high temperature and high pressure.

From NCERT

Subtopic: Ideal Gas Equation |

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Which of the following parameters is the same for molecules of all gases at a given temperature?

1. Mass

2. Speed

3. Momentum

4. Kinetic energy.

Subtopic: Kinetic Energy of an Ideal Gas |

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A gas behaves more closely as an ideal gas at

1. low pressure and low temperature

2. low pressure and high temperature

3. high pressure and low temperature

4. high pressure and high temperature.

Subtopic: Ideal Gas Equation |

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The pressure of an ideal gas is written as p =\(\)\({2 E} \over 3V\). Here E refers to

1. translational kinetic energy

2. rotational kinetic energy

3. vibrational kinetic energy

4. total kinetic energy

Subtopic: Kinetic Energy of an Ideal Gas |

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The energy of a given sample of an ideal gas depends only on its

1. volume

2. pressure

3. density

4. temperature.

Subtopic: Kinetic Energy of an Ideal Gas |

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Which of the following gases has maximum rms speed at a given temperature ?

1. hydrogen

2. nitrogen

3. oxygen

4. carbon dioxide

Subtopic: Types of Velocities |

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The following figure shows graphs of pressure vs. density for an ideal gas at two temperatures T_{1} and T_{2}

1. T_{1} > T_{2}

2. T_{1} = T_{2}

3. T_{1} < T_{2}

4. any of the three is possible

Subtopic: Ideal Gas Equation |

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The mean square speed of the molecules of a gas at absolute temperature T is proportional to

1. \(1 \over T\)

2. \( \sqrt{T} \)

3. T

4. T^{2}

From NCERT

Subtopic: Types of Velocities |

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Suppose a container is evacuated to leave just one molecule of a gas in it. Let v_{a} and u_{rms} represent the average speed and the rms speed of the gas.

1. v_{a} > v_{rms}

2. u_{a} < u_{rms}

3. v_{a} = v_{rms}

4. v_{rms} is undefined.

From NCERT

Subtopic: Types of Velocities |

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The rms speed of oxygen at room temperature is about 500 m/s. The rms speed of hydrogen at the same temperature is about

1. 125 m s^{–1}

2. 2000 m s^{–1}

3. 8000 m s^{–1}

4. 31 m s^{–1}

Subtopic: Types of Velocities |

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