Kinetic Theory of Gases Assumptions NEET Questions

Physics - Kinetic Theory of Gases

Kinetic Theory of Gases Assumptions MCQ Questions


1.
Which of the following is NOT an assumption of the kinetic theory of gases?
A.
Gas molecules are in constant random motion.
B.
The volume of gas molecules is negligible compared to the container volume.
C.
There are attractive forces between gas molecules.
D.
Collisions between gas molecules are perfectly elastic.
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ANSWER :
C. There are attractive forces between gas molecules.
2.
According to the kinetic theory, the average kinetic energy of gas molecules is directly proportional to

NEET - 2017

A.
Pressure
B.
Temperature
C.
Volume
D.
Density
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ANSWER :
B. Temperature
3.
According to the kinetic theory, the pressure exerted by a gas is due to:
A.
Gravitational attraction between molecules.
B.
Collisions of molecules with the walls of the container.
C.
Potential energy of the gas molecules.
D.
Vibrations of the gas molecules.
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ANSWER :
B. Collisions of molecules with the walls of the container.
4.
The kinetic theory assumes that collisions between gas molecules are:
A.
Partially elastic.
B.
Perfectly elastic.
C.
Inelastic.
D.
Dependent on temperature.
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ANSWER :
B. Perfectly elastic.
5.
In the kinetic theory of gases, it is assumed that the time spent during collisions is:
A.
Significant compared to the time between collisions.
B.
Negligible compared to the time between collisions.
C.
Equal to the time between collisions.
D.
Variable, depending on the type of gas.
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ANSWER :
B. Negligible compared to the time between collisions.
6.
Which assumption of the kinetic theory explains why gases can be compressed easily?
A.
Gas molecules are in constant random motion.
B.
There are no forces of attraction or repulsion between gas molecules.
C.
The actual volume of gas molecules is negligible compared to the volume they occupy.
D.
Collisions between gas molecules are perfectly elastic.
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ANSWER :
C. The actual volume of gas molecules is negligible compared to the volume they occupy.