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MHT CET202123 Sep 2021Morning ShiftPhysicsThermodynamicsActual

Internal energy of n ₁ moles of hydrogen at temperature ' T ' is equal to internal energy of ' n₂ ' moles of helium at temperature 2 T , then the ratio n₁: n₂ is [Degree of freedom of He =3 , Degree of freedom of H ₂=5 ]

Options

  1. A5:3
  2. B6:5
  3. C2:3
  4. D3:5

Correct answer

B. 6:5

Step-by-step solution

aligned & n ₁ 5 2 RT = n ₂ 3 2 R (2 ~T ) & n ₁ n ₂ = 6 5 aligned

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