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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The figure below shows the graph of pressure and volume of a gas at two temperatures T1 and T2. 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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 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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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 |
 70%
From NCERT
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At \(10^{\circ}\mathrm{C}\) the value of the density of a fixed mass of an ideal gas divided by its pressure is \(x\). At \(110^{\circ}\mathrm{C}\) this ratio is:
1. \(x\)
2. \(\frac{383}{283}x\)
3. \(\frac{10}{110}x\)
4. \(\frac{283}{383}x\)

Subtopic:  Ideal Gas Equation |
 69%
From NCERT
AIPMT - 2008
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We have two vessels of equal volume, one filled with hydrogen and the other with equal mass of helium. The common temperature is \(27^{\circ}\mathrm{C}\) . What is the relative number of molecules in the two vessels?
1. \(\frac{n_H}{n_{He}} = \frac{1}{1}\)
2. \(\frac{n_H}{n_{He}} = \frac{5}{1}\)
3. \(\frac{n_H}{n_{He}} = \frac{2}{1}\)
4. \(\frac{n_H}{n_{He}} = \frac{3}{1}\)

Subtopic:  Ideal Gas Equation |
 65%
From NCERT
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An experiment is carried out on a fixed amount of gas at different temperatures and at high pressure such that it deviates from the ideal gas behaviour. The variation of PVRT with P is shown in the diagram. The correct variation will correspond to: (Assuming that the gas in consideration is nitrogen)

1. Curve A 2. Curve B
3. Curve C 4. Curve D
Subtopic:  Ideal Gas Equation |
 59%
From NCERT
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Which one of the following graph is correct at constant pressure?

1. 2.
3. 4.
Subtopic:  Ideal Gas Equation |
 62%
From NCERT
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