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kinetic therory of gaseous questions with solutions

Practice Thermodyanmics for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.

Showing 1–10 of 43 questions

  • MCQeasyThermodyanmics

    Let γ₁ be the ratio of molar specific heat at constant pressure and molar specific heat at constant volume of a monoatomic gas and γ₂ be the similar ratio of diatomic gas. Considering the diatomic gas molecule as a rigid rotator, the ratio, γ₁/γ₂ is

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    JEE Mains24 January 2023Shift 2Evening Shift

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  • MCQeasyThermodyanmics

    The temperature of a gas having 2.0 × 10²⁵ molecules per cubic meter at 1.38 atm (Given, k = 1.38 × 10⁻²³ JK⁻¹) is :

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    JEE Mains 2024 29 Jan Evening Shift

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  • MCQmediumThermodyanmics

    Two vessels contain the same ideal gas. The larger vessel has twice the volume of the smaller one and contains gas at 8 kPa and 1000 K. The smaller vessel contains gas at 7 kPa and 500 K. The vessels are connected and both are maintained at 600 K. The final common pressure is:

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    JEE Mains 2025 4 April Evening Shift

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  • MCQeasyThermodyanmics

    If the root mean square velocity of hydrogen molecule at a given temperature and pressure is 2 km/s, the root mean square velocity of oxygen at the same condition in km/s is:

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    JEE Mains 2024 01 Feb Evening Shift

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  • MCQeasyThermodyanmics

    The total kinetic energy of 1 mole of oxygen at 27°C is : [Use universal gas constant (R)= 8.31 J/mole K]

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    JEE Mains 2024 27 Jan Evening Shift

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  • NumericeasyThermodyanmics

    10 mole of oxygen is heated at constant volume from 30°C to 40°C. The change in the internal energy of the gas is _______ cal. (The molecular specific heat of oxygen at constant pressure, Cₚ = 7 cal.·mol⁻¹·°C⁻¹ and R = 2 cal.·mol⁻¹·°C⁻¹.)

    JEE Mains 202621 January Morning Shift

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  • MCQmediumThermodyanmics

    One ideal gas sample contains n₁ moles at pressure P₁, volume V₁ and temperature T₁. A second ideal gas sample contains n₂ moles at pressure P₂, volume V₂ and temperature T₂. They are mixed, and the final mixture has pressure P, volume V and temperature T. Assuming ideal-gas behaviour, which expression gives T?

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    JEE Mains 2026 4 April Morning Shift

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  • MCQeasyThermodyanmics

    Helium and argon gases are at the same temperature, 300 K. The ratio of their average kinetic energies per molecule is:

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    JEE Mains 2025 7 April Evening Shift

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  • MCQeasyThermodyanmics

    According to law of equipartition of energy the molar specific heat of a diatomic gas at constant volume where the molecule has one additional vibrational mode is :-

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    JEE Mains25 January 2023Shift 2Evening Shift

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  • MCQdifficultThermodyanmics

    A cylindrical tube AB of length l, closed at both ends contains an ideal gas of 1 mol having molecular weight M. The tube is rotated in a horizontal plane with constant angular velocity ω about an axis perpendicular to AB and passing through the edge at end A, as shown in the figure. If PAP_{A} and PBP_{B} are the pressures at A and B respectively, then (Consider the temperature is same at all points in the tube)

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    JEE Mains 202622 January Morning Shift

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