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Heat and Thermodynamics · 2020 · 5 Sep · Shift 2

3 Physics questions from this JEE Main paper
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Heat and Thermodynamics · 2020 · 5 Sep · Shift 2

3 Physics questions from this JEE Main paper

  1. Q36.Nitrogen gas is at 300oC temperature. The temperature (in K) at which the rms speed of a H2 molecule would be equal to the rms speed of a nitrogen molecule, is ​. (Molar mass of N2 gas 28 g).
    Physics · Heat and Thermodynamics · Numerical
  2. Q43.In an adiabatic process, the density of a diatomic gas becomes 32 times its initial value. The final pressure of the gas is found to be n times the initial pressure. The value of n is :
    Physics · Heat and Thermodynamics · MCQ
  3. Q48.Two different wires having lengths L1 and L2, and respective temperature coefficient of linear expansion α 1 and α 2, are joined end-to-end. Then the effective temperature coefficient of linear expansion is :
    Physics · Heat and Thermodynamics · MCQ