Kinetic Theory of Gases: NEET Physics Previous Year Questions

212 previous year questions from Kinetic Theory of Gases. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $The respective speeds of the five molecules are 1, 2, 3, 4 and 5 kms^{- 1} . Then, the ratio of their rms velocity and the average velocity\dots$
2. $If for a gas \frac{R}{C _{V}} = 0.67, this gas is made up molecules which are$
3. $The temperature of a gas is - 50^{\circ} C . To what temperature the gas should be heated, so that the rms speed is increased by 3 times? [NEET 2022]$
4. $If the absolute temperature of a gas is increased 5 times, the r.m.s. velocity of the gas molecules will be$
5. $Consider an ideal gas in a closed container at 300 K . The container is then heated, so that the average velocity of a particles of the gas increases by a factor\dots$
6. $If the collision frequency of hydrogen molecules in a closed chamber at 27^{\circ} C is Z, then the collision frequency of the same system at 127^{\circ} C i\dots$
7. $The volume of an ideal gas increases 8 times and temperature becomes (1/4)^{th} of initial temperature during a reversible change. If there is n\dots$
8. $If the temperature of a gas is increased from 27^{\circ} C to 159^{\circ} C, then the percentage increase in the rms speed of the gas molecules is$
9. $An ideal gas occupies a volume of 2 m^{3} at a pressure of 3 \times 10^{6} Pa. The energy of the gas :$
10. $Two vessels A and B are of the same size and are at same temperature. A contains 1 g of hydrogen and B contains 1 g of oxygen. P_{A} and P_{B} are the pr\dots$
11. $An insulating cylinder contains 4 moles of an ideal diatomic gas. When a heat Q is supplied, to it, 2 moles of the gas molecules dissociate. If the temperature of the\dots$
12. $If the average translational kinetic energy of a molecule in a gas is equal to the kinetic energy of an electron accelerating from rest through 10 V, then the te\dots$
13. $During an adiabatic process, if the pressure of a gas is found to be proportional to the cube of its absolute temperature, then the ratio of \frac{C _{p}}{C _{v}} fo\dots$
14. $The average kinetic energy of H_{2} molecules at 300 K is E . At the same temperature the average kinetic energy of O_{2} molecule is$
15. $An ideal gas in a container of volume 500 c.c. is at a pressure of 2 \times 10^{+ 5} N / m^{2} . The average kinetic energy of each molecules is\dots$
16. $The equation of state for 2 g of oxygen at a pressure P and temperature T, when occupying a volume V will be$
17. $The temperature, at which the root mean square mean square velocity of hydrogen molecules equals their escape velocity from the earth, is closest to : [Boltzmann Constant\dots$
18. $If a quantity of heat 1163.4 joule is supplied to one mole of nitrogen gas, at room temperature at constant pressure, then the rise in temperature is (Given\dots$
19. $Consider an ideal gas at pressure p, volume V and temperature T . The mean free path for molecules of the gas is L . If the radius of gas molecules, as well as\dots$
20. $Assuming the expression for the pressure exerted by the gas on the walls of the container, it can be shown that pressure is$
21. $The molecular mass of a gas having r.m.s. speed four times as that of another gas having molecular mass 32 is$
22. $If the rms speeds of helium and oxygen are equal, then the ratio of the temperatures of helium and oxygen is$
23. $Increase in temperature of a gas filled in a container would lead to [NEET 2019]$
24. $The mean free path l for a gas molecule depends upon diameter, d of the molecule as [NEET 2020]$
25. $What will be the average value of energy for a monoatomic gas in thermal equilibrium at temperature T?$

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Kinetic Theory of Gases: NEET Physics Previous Year Questions

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