Kinetic Theory of Gases and Molecular Properties questions with solutions

Showing 1–10 of 95 questions

• MCQeasyThermodynamicsKinetic Theory of Gases and Molecular Properties

  For hydrogen gas Cₚ - Cᵥ = a and for oxygen gas Cₚ - Cᵥ = b, so the relation between a and b is:

  Options

  • Option A

    a = 16b

  • Option B

    16b = a

  • Option C

    a = 4b

  • Option D

    a = b

  Check answerShow answer

  AIPMT 1991NEET Previous Year

  Open question & full solution →
• MCQmediumThermodynamicsKinetic Theory of Gases and Molecular Properties

  The molecules of a given mass of a gas have an RMS velocity of 200 m s⁻¹ at 27°C and 1.0 × 10⁵ N m⁻² pressure. When temperature and pressure become 127°C and 0.05 × 10⁵ N m⁻² respectively, the RMS velocity of its molecules in m s⁻¹ is:

  Options

  • Option A

    400/√3

  • Option B

    100√2/3

  • Option C

    100/3

  • Option D

    100√2

  Check answerShow answer

  NEET 2016NEET Previous Year

  Open question & full solution →
• MCQmediumThermodynamicsKinetic Theory of Gases and Molecular Properties

  The values of γ = Cₚ/Cᵥ for hydrogen, helium and another ideal diatomic X (whose molecules are not rigid and have an additional vibration mode), respectively, are equal to:

  Options

  • Option A

    7/5, 5/3, 9/7

  • Option B

    5/3, 7/5, 9/7

  • Option C

    5/3, 7/5, 7/5

  • Option D

    7/5, 5/3, 7/5

  Check answerShow answer

  NEET 2019NEET Previous Year

  Open question & full solution →
• MCQeasyThermodynamicsKinetic Theory of Gases and Molecular Properties

  The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio of specific heat at constant pressure to that at constant volume is:

  Options

  • Option A

    9/7

  • Option B

    7/5

  • Option C

    8/7

  • Option D

    5/7

  Check answerShow answer

  AIPMT 2006NEET Previous Year

  Open question & full solution →
• MCQeasyThermodynamicsKinetic Theory of Gases and Molecular Properties

  The number of air molecules per cm³ increased from 3 × 10¹⁹ to 12 × 10¹⁹. The ratio of collision frequency of air molecules before and after the increase in the number respectively is:

  Options

  • Option A

    0.25

  • Option B

    0.75

  • Option C

    1.25

  • Option D

    0.50

  Check answerShow answer

  JEE Mains6 April 2023Shift 1Morning Shift

  Open question & full solution →
• MCQmediumThermodynamicsKinetic Theory of Gases and Molecular Properties

  The amount of heat energy required to raise the temperature of 1 g of helium at NTP, from T₁ K to T₂ K is:

  Options

  • Option A

    (3/8)$N_{a}K_{B}$(T₂ - T₁)

  • Option B

    (3/2)$N_{a}K_{B}$(T₂ - T₁)

  • Option C

    ($\frac{3}{4}$)$N_{a}K_{B}$(T₂ - T₁)

  • Option D

    ($\frac{3}{4}$)$N_{a}K_{B}$ C(T₂/T₁)

  Check answerShow answer

  NEET 2013NEET Previous Year

  Open question & full solution →
• MCQeasyThermodynamicsKinetic Theory of Gases and Molecular Properties

  A given sample of an ideal gas occupies a volume V at a pressure P and absolute temperature T. The mass of each molecule of the gas is m. Which of the following gives the density of the gas?

  Options

  • Option A

    P/($k_{B}$T)

  • Option B

    Pm/($k_{B}$T)

  • Option C

    P/($k_{B}$TV)

  • Option D

    m$k_{B}$T

  Check answerShow answer

  NEET 2016NEET Previous Year

  Open question & full solution →
• MCQeasyThermodynamicsKinetic Theory of Gases and Molecular Properties

  The mean free path of molecules of a gas (radius r) is inversely proportional to:

  Options

  • Option A

    r³

  • Option B

    r²

  • Option C

    r

  • Option D

    √r

  Check answerShow answer

  AIPMT 2014NEET Previous Year

  Open question & full solution →
• MCQmediumThermodynamicsKinetic Theory of Gases and Molecular Properties

  Match Column-I with Column-II.

  Column-I:

  (a) Root mean square speed of gas molecules;

  (b) Pressure exerted by ideal gas;

  (c) Average kinetic energy of a molecule;

  (d) Total internal energy of 1 mole of a diatomic gas.

  Column-II:

  (i) (1/3)nm⟨v²⟩;

  (ii) √(3RT/M);

  (iii) (5/2)RT;

  (iv) (3/2)kBT.

  Choose the correct matching:

  Options

  • Option A

    (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

  • Option B

    (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

  • Option C

    (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

  • Option D

    (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)

  Check answerShow answer

  NEET 2021NEET Previous Year

  Open question & full solution →
• MCQeasyThermodynamicsKinetic Theory of Gases and Molecular Properties

  The mean free path and average speed of oxygen molecules at 300 K and 1 atm are 3×10⁻⁷ m and 600 m/s respectively. The frequency of molecular collisions is:

  Options

  • Option A

    2×10⁹ s⁻¹

  • Option B

    9×10⁵ s⁻¹

  • Option C

    5×10⁸ s⁻¹

  • Option D

    2×10¹⁰ s⁻¹

  Check answerShow answer

  JEE Mains 2025 4 April Morning Shift

  Open question & full solution →