Kinetic Theory of Gases Assumptions NEET Questions

Physics - Kinetic Theory of Gases

Kinetic Theory of Gases Assumptions MCQ Questions


13.
Which of the following is an assumption of the kinetic theory of gases?

NEET - 2016

A.
Gas molecules exert strong attractive forces
B.
Gas molecules are always at rest
C.
Gas molecules undergo perfectly elastic collisions
D.
Gas molecules have definite volume
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ANSWER :
C. Gas molecules undergo perfectly elastic collisions
14.
Which postulate of the kinetic theory justifies that gases have low densities?
A.
Gas molecules are in constant random motion.
B.
The actual volume of gas molecules is negligible compared to the volume they occupy.
C.
Collisions between gas molecules are perfectly elastic.
D.
Gas molecules exert forces on each other.
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ANSWER :
B. The actual volume of gas molecules is negligible compared to the volume they occupy.
15.
The assumption that gas molecules are in constant random motion helps to explain:
A.
The fixed shape of gases.
B.
The definite volume of gases.
C.
The pressure exerted by gases.
D.
The color of gases.
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ANSWER :
C. The pressure exerted by gases.
16.
According to the kinetic theory, the distribution of speeds among gas molecules:
A.
Is the same for all temperatures.
B.
Depends on the mass of the gas molecules only.
C.
Is uniform for all molecules at a given temperature.
D.
Follows a specific statistical distribution at a given temperature.
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ANSWER :
D. Follows a specific statistical distribution at a given temperature.
17.
The kinetic theory assumes that the energy exchanged during collisions between gas molecules:
A.
Is lost as heat.
B.
Is conserved.
C.
Increases the potential energy of molecules.
D.
Decreases the total energy of the system.
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ANSWER :
B. Is conserved.
18.
Which of the following statements aligns with the assumptions of the kinetic theory of gases?
A.
Gas molecules are stationary.
B.
Gas molecules move in predictable patterns.
C.
Gas molecules have negligible volume compared to the container.
D.
Gas molecules attract each other strongly.
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ANSWER :
C. Gas molecules have negligible volume compared to the container.