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Heat and Thermodynamics · 2021 · 18 Mar · Shift 2

3 Physics questions from this JEE Main paper
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Heat and Thermodynamics · 2021 · 18 Mar · Shift 2

3 Physics questions from this JEE Main paper

  1. Q53.Consider a sample of oxygen behaving like an ideal gas. At 300 K, the ratio of root mean square (rms) velocity to the average velocity of gas molecule would be : (Molecular weight of oxygen is 32g/mol; R = 8.3 J K − 1 mol − 1)
    Physics · Heat and Thermodynamics · MCQ
  2. Q57.For an adiabatic expansion of an ideal gas, the fractional change in its pressure is equal to (where γ is the ratio of specific heats) :
    Physics · Heat and Thermodynamics · MCQ
  3. Q59.An ideal gas in a cylinder is separated by a piston in such a way that the entropy of one part is S1 and that of the other part is S2. Given that S1 > S2. If the piston is removed then the total entropy of the system will be :
    Physics · Heat and Thermodynamics · MCQ