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Physics - Kinetic Theory of Gases

Practise 102 AP EAMCET previous year questions on Kinetic Theory of Gases, compiled from papers spanning 2001 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty AP EAMCET tests.

Kinetic Theory of Gases has been asked in 15 of the 24 years of AP EAMCET papers analysed (2001–2024), with 102 questions in all. 60% of them were easy, 29% moderate and 11% tough. Most of its questions came from 2020, with 13 questions that year. In the last three years (2022–2024) it had 31 questions across 28 papers, about 1.1 per paper.

The chapter's 4 topics are not weighted equally: Pressure and Energy of gas (33 questions, 32%), Degree of Freedom and Specific Heat (31 questions, 30%), and Speed of Gas (21 questions, 21%) have been asked the most. Pressure and Energy of gas has also led over the last five years, with 19 questions. Gas Laws has produced the most tough questions (4).

  1. 1If a gaseous mixture consists of 3 moles of oxygen and 4 moles of argon at an absolute temperature T, then the total internal energy of the 27 May, 2025 (M)Pressure and Energy of gas
  2. 2To increase the rms speed of gas molecules by , the percentage increase in absolute temperature of the gas is to be26 May, 2025 (M)Speed of Gas
  3. 3If the ratio of universal gas constant and specific heat capacity at constant volume of a gas is given by 0.67, then the gas is26 May, 2025 (E)Degree of Freedom and Specific Heat
  4. 4The internal energy of 4 moles of a monoatomic gas at a temperature of is (R - Universal gas constant)26 May, 2025 (E)Pressure and Energy of gas
  5. 5If the rms speed of the molecules of a diatomic gas at a temperature of 322 K is , then the gas is26 May, 2025 (E)Speed of Gas
  6. 6In a container of volume at temperature, 2 moles of oxygen, 5 moles of nitrogen and 3 moles of hydrogen are present, then the pressure in th24 May, 2025 (M)Pressure and Energy of gas
  7. 7The internal energy of one mole of a rigid diatomic gas at absolute temperature is23 May, 2025 (M)Pressure and Energy of gas
  8. 8If the internal energy of 3 moles of a gas at a temperature of is 2250 R, then the number of degrees of freedom of the gas is (R - Universal23 May, 2025 (E)Degree of Freedom and Specific Heat
  9. 9If the ratio of specific heats of a gas at constant pressure and at constant volume is , then the number of degrees of freedom of the rigid 22 May, 2025 (M)Degree of Freedom and Specific Heat
  10. 10If the degrees of freedom of a gas molecule is 6, then the total internal energy of the gas molecule at a temperature of is Boltzmann consta22 May, 2025 (E)Pressure and Energy of gas
  11. 11A gaseous mixture consists of 2 moles of oxygen and 4 moles of argon at an absolute temperature . Neglecting all vibrational modes, the tota21 May, 2025 (E)Pressure and Energy of gas
  12. 12The average translational kinetic energy of the oxygen molecules at a temperature of is Boltzmann constant21 May, 2025 (E)Pressure and Energy of gas
  13. 13The ratio of the molar specific heat capacities of monatomic and diatomic gases at constant pressure is23 May, 2024 (M)Degree of Freedom and Specific Heat
  14. 14The ratio of kinetic energy of a diatomic gas molecule at a high temperature to that of NTP is22 May, 2024 (M)Pressure and Energy of gas
  15. 15A poly atomic gas with n degrees of freedom has a mean kinetic energy per molecule given by (if is Avogadro's number)21 May, 2024 (M)Pressure and Energy of gas
  16. 16Match the following ( is number of degrees of freedom)21 May, 2024 (E)Degree of Freedom and Specific Heat
  17. 17When the temperature of a gas is raised from to . The increase in the rms velocity of the gas molecules is20 May, 2024 (M)Speed of Gas
  18. 18An ideal gas is kept in a cylinder of volume at a pressure of . The energy of the gas is20 May, 2024 (E)Pressure and Energy of gas
  19. 19One mole of a gas having is mixed with one mole of a gas having The value of for the mixture is ( is the ratio of the specific heats of the 19 May, 2024 (E)Degree of Freedom and Specific Heat
  20. 20The rms velocity of a gas molecule of mass ' ' at a given temperature is proportional to19 May, 2024 (E)Speed of Gas
  21. 21The molar specific heat capacity of a diatomic gas at constant pressure is C . The molar specific heat capacity of a monoatomic gas at const18 May, 2024 (M)Degree of Freedom and Specific Heat
  22. 22A gas of mass ' ' and molecular weight ' ' is flowing in an insulated tube with a velocity ' '. If the flow of the gas is suddenly stopped a19 May, 2023 (M)Pressure and Energy of gas
  23. 23A mixture of gasses consists of of Helium and of Oxygen. The ratio of specific heats of the mixture is nearly18 May, 2023 (M)Degree of Freedom and Specific Heat
  24. 24If the pressure of a gas increases by at constant volume, then its temperature18 May, 2023 (M)Gas Laws
  25. 25The energy (in eV) possessed by a neon atom at is (Blotzmann constant, )18 May, 2023 (E)Pressure and Energy of gas
  26. 26If the rms speeds of helium and oxygen are equal, then the ratio of the temperatures of helium and oxygen is17 May, 2023 (M)Speed of Gas
  27. 27A vessel that can withstand a pressure of is filled with hydrogen at up to a pressure of . If the vessel is heated, then the temperature at 17 May, 2023 (E)Gas Laws
  28. 28If the average kinetic energy of a gas molecule at is , then the average kinetic energy of the gas molecules at is17 May, 2023 (E)Pressure and Energy of gas
  29. 290. For the given concentration, if the ratio of the diameters of the molecules of two gases is , then the ratio of their mean free paths is16 May, 2023 (M)Pressure and Energy of gas
  30. 30The relation between the pressure , volume and average kinetic energy (E) of a gas is16 May, 2023 (E)Pressure and Energy of gas
  31. 31A vessel of volume 10 liters is filled with gas. The total average translational kinetic energy of its molecules is . The pressure of hydrog15 May, 2023 (M)Pressure and Energy of gas
  32. 32The specific heat capacity of a monatomic gas at constant volume is of its specific heat capacity at constant pressure. Then15 May, 2023 (E)Degree of Freedom and Specific Heat
  33. 33The number of rotational degrees of freedom of a monatomic molecule is15 May, 2023 (E)Degree of Freedom and Specific Heat
  34. 34Two boxes are at the same temperature. The first box contains gas with molecular mass and rms speed . The second box contains gas with molec08 Jul, 2022 (M)Speed of Gas
  35. 35The temperature at which the r.m.s velocity of a gas triples to its r.m.s. velocity at is08 Jul, 2022 (E)Speed of Gas
  36. 36A gaseous mixture consists of oxygen and of helium. The ratio of mixture is and are molar specific heats of the mixture at constant pressure07 Jul, 2022 (M)Pressure and Energy of gas
  37. 37The volume of a gas at temperature and of pressure is . Then its volume at the same temperature and of is07 Jul, 2022 (M)Gas Laws
  38. 38A vessel containing nitrogen gas is supplied a heat of , so as to raise the temperature of the gas by at constant pressure. The mass of nitr06 Jul, 2022 (M)Degree of Freedom and Specific Heat
  39. 39Assertion (A) When an ideal gas is compressed adiabatically, its temperature and the average kinetic energy of the gas molecules increase. R06 Jul, 2022 (E)Pressure and Energy of gas
  40. 40The number of rotational degrees of freedom of a diatomic molecule05 Jul, 2022 (M)Degree of Freedom and Specific Heat
  41. 41The rms speed of oxygen and room temperature is about . The rms speed of hydrogen at the same temperature is about05 Jul, 2022 (E)Speed of Gas
  42. 42The number of vibrational degrees of freedom of a diatomic molecule is04 Jul, 2022 (M)Degree of Freedom and Specific Heat
  43. 43In non-rigid diatomic molecule with an additional vibrational mode04 Jul, 2022 (E)Degree of Freedom and Specific Heat
  44. 44Molar specific heat at constant pressure is related to internal energy and absolute temperature as is equal to25 Aug, 2021 (M)Degree of Freedom and Specific Heat
  45. 45A vessel has 6 g of oxygen at pressure p and temperature 400 K. A small hole is made in it so that oxygen leaks out.How much oxygen has leak25 Aug, 2021 (E)Gas Laws
  46. 46If and be the volume and pressure coefficients respectively of an ideal gas, then24 Aug, 2021 (M)Gas Laws
  47. 47The respective speeds of the five molecules are 1,2,3,4 and . Then, the ratio of their rms velocity and the average velocity will be23 Aug, 2021 (M)Speed of Gas
  48. 48of copper is heated to increase its temperature by . If the same quantity of heat is given to of water, the rise in temperature is (specific23 Aug, 2021 (E)Degree of Freedom and Specific Heat
  49. 49One mole of a gas at a pressure and temperature is heated till both pressure and volume are doubled. What is the temperature of the gas?23 Aug, 2021 (E)Gas Laws
  50. 50The pressure of a gas is proportional to20 Aug, 2021 (M)Pressure and Energy of gas

Frequently Asked Questions

1.How many questions are available for Kinetic Theory of Gases?

This chapter includes 102 questions compiled from AP EAMCET papers spanning 2001 to 2025.

2.Are these questions only from AP EAMCET, or from other exams too?

These are AP EAMCET questions specifically for the Kinetic Theory of Gases chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Kinetic Theory of Gases an important chapter for AP EAMCET Physics?

Kinetic Theory of Gases has appeared in 16 of the 25 years of AP EAMCET papers covered here, with 102 questions across 78 papers - about one per paper it appears in.

4.What is the difficulty level of Kinetic Theory of Gases questions in AP EAMCET?

Of the 102 questions analysed for this chapter, 60% are easy, 29% moderate and 11% tough. 2020 had the most, with 13 questions.

5.Which topics in Kinetic Theory of Gases should I focus on?

These topics have carried the most weightage in Kinetic Theory of Gases:

  • Pressure and Energy of gas - 33 questions (32%)
  • Degree of Freedom and Specific Heat - 31 questions (30%)
  • Speed of Gas - 21 questions (21%)
  • Gas Laws has produced the most tough questions (4).
6.Is Kinetic Theory of Gases's weightage in AP EAMCET going up or down?

Across all 78 papers analysed, Kinetic Theory of Gases has averaged about 1.3 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.1 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.