AP-EAPCET SERIES Physics
The Kinetic Theory Of Gases
20 previous year questions.
Volume: 20 Ques
Yield: Medium
High-Yield Trend
8
2025 7
2023 5
2022 Chapter Questions 20 MCQs
01
PYQ 2022
medium
physics ID: ap-eapce
The number of vibrational degrees of freedom for a diatomic molecule is:
1
0
2
1
3
2
4
3
02
PYQ 2022
medium
physics ID: ap-eapce
The number of rotational degrees of freedom of a diatomic molecule is:
1
0
2
1
3
2
4
3
03
PYQ 2022
medium
physics ID: ap-eapce
The rms speed of oxygen at room temperature is about . The rms speed of hydrogen at the same temperature is about
1
2
3
4
04
PYQ 2022
medium
physics ID: ap-eapce
In non-rigid diatomic molecules with an additional vibrational mode: and become:
1
2
3
4
05
PYQ 2022
medium
physics ID: ap-eapce
The volume of a gas at 30 °C temperature and 760 mm of Hg pressure is 100 cc. Then its volume at the same temperature and 400 mm of Hg is
1
190 cc
2
210 cc
3
150 cc
4
120 cc
06
PYQ 2023
medium
physics ID: ap-eapce
The energy (in eV) possessed by a neon atom at C is (Boltzmann constant, J K )
1
2
3
4
07
PYQ 2023
medium
physics ID: ap-eapce
For the given concentration, if the ratio of the diameters of the molecules of two gases is 1 : 2, then the ratio of their mean free paths is
1
2
3
4
08
PYQ 2023
medium
physics ID: ap-eapce
The number of rotational degrees of freedom of a diatomic molecule is
1
0
2
1
3
3
4
2
09
PYQ 2023
medium
physics ID: ap-eapce
If the temperature of a gas is increased from 27°C to 927°C, the rms speed is:
1
gets halved
2
gets doubled
3
becomes 4 times
4
does not change
10
PYQ 2023
medium
physics ID: ap-eapce
If the rms speeds of helium and oxygen are equal, then the ratio of the temperatures of helium and oxygen is:
1
1:8
2
2:1
3
1:4
4
4:1
11
PYQ 2023
medium
physics ID: ap-eapce
The relation between the pressure (P), volume (V) and average kinetic energy (E) of a gas is
1
2
3
4
12
PYQ 2023
medium
physics ID: ap-eapce
If average KE of gas molecule at is , find KE at :
1
2
3
4
13
PYQ 2025
medium
physics ID: ap-eapce
To increase the RMS speed of gas molecules by 25%, the percentage increase in absolute temperature of the gas is to be
1
42.75
2
56.25
3
36.75
4
18.25
14
PYQ 2025
easy
physics ID: ap-eapce
If 2 moles of an ideal monoatomic gas at a temperature of 27 °C is mixed with 4 moles of another ideal monoatomic gas at a temperature of 327 °C, then the temperature of the mixture of the two gases is
1
300 °C
2
227 °C
3
233 °C
4
327 °C
15
PYQ 2025
medium
physics ID: ap-eapce
The average translational kinetic energy of oxygen molecules at a temperature of is (Boltzmann constant )}
1
2
3
4
16
PYQ 2025
medium
physics ID: ap-eapce
A sound wave of frequency 500 Hz travels between two points X and Y separated by a distance of 600 m in a time of 2 s. The number of waves between the points X and Y are
1
1000
2
1500
3
300
4
600
17
PYQ 2025
medium
physics ID: ap-eapce
If the degrees of freedom of a gas molecule is 6, then the total internal energy of the gas molecule at a temperature of (in eV) is (Boltzmann constant )
1
2
3
4
18
PYQ 2025
medium
physics ID: ap-eapce
If the degrees of freedom of a gas molecule is 6, then the total internal energy of the gas molecule at a temperature of (in eV) is (Boltzmann constant )
1
2
3
4
19
PYQ 2025
easy
physics ID: ap-eapce
The internal energy of one mole of a rigid diatomic gas at absolute temperature is:
20
PYQ 2025
medium
physics ID: ap-eapce
The internal energy of one mole of a rigid diatomic gas at absolute temperature is:
1
2
3
4