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JEE Advanced 2023 · Paper 2

JEE Advanced 2023 Physics question on Kinetic Theory of Gases

An ideal gas is in thermodynamic equilibrium. The number of degrees of freedom of a molecule of the gas is nn. The internal energy of one mole of the gas is UnU_n and the speed of sound in the gas is vn\text{v}_n. At a fixed temperature and pressure, which of the following is the correct option?
  1. A.
    v3<v6\text{v}_3 < \text{v}_6 and U3>U6U_3 > U_6
  2. B.
    v5>v3\text{v}_5 > \text{v}_3 and U3>U5U_3 > U_5
  3. C.
    v5>v7\text{v}_5 > \text{v}_7 and U5<U7U_5 < U_7
  4. D.
    v6<v7\text{v}_6 < \text{v}_7 and U6<U7U_6 < U_7
Show answer

Correct option: C

[JEE Advanced 2023 · Paper 2]

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