Kinetic Theory of Gases Assumptions NEET Questions

Physics - Kinetic Theory of Gases

Kinetic Theory of Gases Assumptions MCQ Questions


7.
Kinetic theory of gases is primarily based on the concept that gases consist of:
A.
Stationary atoms in a lattice
B.
Charged particles in plasma
C.
Rapidly moving atoms or molecules
D.
Slowly diffusing ions
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ANSWER :
C. Rapidly moving atoms or molecules
8.
According to kinetic theory assumptions, which of the following is TRUE about gas molecules?
A.
Molecules have negligible size compared to intermolecular distances
B.
Molecules do not exert any force during collision
C.
Molecules have large size compared to intermolecular distances
D.
All molecules have the same speed at a given temperature
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ANSWER :
A. Molecules have negligible size compared to intermolecular distances
9.
In kinetic theory, the time spent during a collision between two molecules is assumed to be:
A.
Much greater than the time between collisions
B.
Infinite for elastic collisions
C.
Negligible compared to the time between successive collisions
D.
Equal to the time between successive collisions
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ANSWER :
C. Negligible compared to the time between successive collisions
10.
Kinetic theory applies most accurately to gases at:
A.
Low pressures and high temperatures
B.
High pressures and low temperatures
C.
High pressures and high temperatures
D.
Low pressures and low temperatures
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ANSWER :
A. Low pressures and high temperatures
11.
According to the assumptions of kinetic theory, a gas is a collection of molecules whose number is of the order of:
A.
Avogadro's number (≈ 6.02 × 10²³)
B.
10¹⁰ molecules per mole
C.
10¹⁵ molecules per mole
D.
10³ molecules per mole
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ANSWER :
A. Avogadro's number (≈ 6.02 × 10²³)
12.
In kinetic theory, Newton's laws of motion are assumed to govern:
A.
The rotation of gas molecules only
B.
The thermal equilibrium of the gas
C.
Only bulk properties of the gas
D.
The motion of individual gas molecules between collisions
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ANSWER :
D. The motion of individual gas molecules between collisions