# The figure shows a plot of PV/T versus P for  of oxygen gas at two different temperatures. The value of PV/T where the curves meet on the y-axis is:

Subtopic:  Ideal Gas Equation |
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For the process $$A\rightarrow B$$ of an ideal gas of fixed mass, the density of gas:

 1 increases. 2 decreases. 3 remains constant. 4 first increases then decreases.

Subtopic:  Ideal Gas Equation |
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PV versus T graph of equal masses of H2, He, and O2 is shown in the figure. Choose the correct alternative:

1. A corresponds to H2, B to He, and C to O2

2. A corresponds to He, B to H2, and C to O2

3. A corresponds to He, B to O2, and C to H2

4. A corresponds to O2, B to H2, and C to He

Subtopic:  Ideal Gas Equation |
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Consider the following statements. The internal energy of an ideal monoatomic gas may have contributions from:
 (1) translational kinetic energy of its molecules (2) vibrational kinetic energy of its molecules (3) rotational kinetic energy of its molecules (4) potential energy corresponding to molecular forces

Which of the statements given above is/are correct?
 1 (2) and (3) 2 (1) and (4) 3 (1) only 4 (1), (2), (3) and (4)
Subtopic:  Kinetic Energy of an Ideal Gas |
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Given below are two statements:
 Assertion (A): The translational kinetic energy of every molecule of an ideal gas increases by 50% if the absolute temperature is raised by $$50\text{%}.$$ Reason (R): The average translational kinetic energy of the molecules of an ideal gas is directly proportional to its absolute temperature.

 1 (A) is true but (R) is false. 2 (A) is false but (R) is true. 3 Both (A) and (R) are true and (R) is the correct explanation of (A). 4 Both (A) and (R) are true but (R) is not the correct explanation of (A).
Subtopic:  Kinetic Energy of an Ideal Gas |
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Select the correct option based on statements below:
 Assertion (A): As a gas bubble rises from the bottom of a lake, its volume decreases. Reason (R): As the gas bubble rises from the bottom of a lake-the pressure of the gas within decreases.
 1 (A) is True but (R) is False. 2 (A) is False but (R) is True. 3 Both (A) and (R) are True and (R) is the correct explanation of (A). 4 Both (A) and (R) are True but (R) is not the correct explanation of (A).
Subtopic:  Ideal Gas Equation |
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Given below are two statements:
 Assertion (A): The molecules of a monoatomic gas has three degrees of freedom. Reason (R): The molecules of diatomic gas have five degrees of freedom.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic:  Law of Equipartition of Energy |
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Given below are two statements:
 Assertion (A): The total translational kinetic energy of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pressure and volume. Reason (R): The molecules of gas collide with each other and the velocities of the molecules change due to the collision.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.

Subtopic:  Kinetic Energy of an Ideal Gas |
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Given below are two statements:
 Assertion (A): If a gas container in motion is suddenly stopped, the temperature of the gas rises. Reason (R): The kinetic energy of ordered mechanical motion is converted into the kinetic energy of random motion of gas molecules.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic:  Kinetic Energy of an Ideal Gas |
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Given below are two statements:
 Assertion (A): The internal energy of a real gas is a function of both, temperature and volume. Reason (R): Internal K.E. depends on temperature and internal P.E. depends on volume.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.

Subtopic:  Kinetic Energy of an Ideal Gas |
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