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 |
 70%
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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 |
 85%
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The pressure of an ideal gas is written as \(P= \dfrac{2E}{3V}\). 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 |
 53%
From NCERT
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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 |
 89%
From NCERT
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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 |
 89%
From NCERT
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The following figure shows graphs of pressure versus density for an ideal gas at two temperatures \(T_1\) and \(T_2.\)

         
Then:

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 |
 78%
From NCERT
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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. \(T^2\)

Subtopic:  Types of Velocities |
From NCERT
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Suppose a container is evacuated to leave just one molecule of a gas in it. Let \(v_a\) and \(v_{rms}\) represent the average speed and the RMS speed of the gas.
 
1. \(v_a>v_{rms}\)
2. \(v_a<v_{rms}\)
3. \(v_a=v_{rms}\)
4. \(v_{rms}\) is undefined
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 |
 83%
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The pressure of a gas kept in an isothermal container is \(200~\text{kPa}.\) If half the gas is removed from it, the pressure will be:
1. \(100~\text{kPa}\)
2. \(200~\text{kPa}\)
3. \(400~\text{kPa}\)
4. \(800~\text{kPa}\)

Subtopic:  Ideal Gas Equation |
 55%
From NCERT
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