Kinetic Theory of Gases · JEE Advanced previous year questions

2023 1 question

1. Q212023 · 4 Jun 2023 · Paper 2

   An ideal gas is in thermodynamic equilibrium. The number of degrees of freedom of a molecule of the gas is $n$. The internal energy of one mole of the gas is $U_n$ and the speed of sound in the gas is $v_n$. At a fixed temperature and pressure, which of the following is the correct option?

   1. A.$v_3<v_6$ and $U_3>U_6$
   2. B.$v_5>v_3$ and $U_3>U_5$
   3. C.$v_5>v_7$ and $U_5<U_7$
   4. D.$v_6<v_7$ and $U_6<U_7$
   Show answer

   Answer: C