The graph between volume and temperature in Charle's law is?
1. an ellipse
2. a circle
3. a straight line
4. a parabola
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo 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. | \(\frac{1}{2}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe figure below shows the graph of pressure and volume of a gas at two temperatures and . 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring an experiment, an ideal gas is found to obey an additional law VP2 = 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.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyVolume, 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. | \(Pm \over kT\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one, of the following, graphs represents the behaviour of an ideal gas at constant temperature?
1. | 2. | ||
3. | 4. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology