Verified Solution • 2025–26 Session moderate

QJEEM22Phc361: JEE Main 2022 Physics - Class 11 JEEM22Phc361 Solution: According to kinetic theory of gases, A. The motion of the gas…

According to kinetic theory of gases,

A. The motion of the gas molecules freezes at 0∘C.

B. The mean free path of gas molecules decreases if the density of molecules is increased.

C. The mean free path of gas molecules increases if temperature is increased keeping pressure constant.

D. Average kinetic energy per molecule per degree of freedom is 32kBT (for monoatomic gases).

Choose the most appropriate answer from the options given below :

Multiple Choice Options

  • A A and C only
  • B B and C only
  • C A and B only
  • D C and D only

Step-by-Step Verified Solution

According to kinetic theory of gases,

A. The motion of the gas molecules freezes at 0 K.

B. The mean free path decreases on increasing the number density of the molecules as μ=12πnd2⇒μ∝1n.

C. The mean free path increases on increasing the volume. Now if temperature is increased by keeping the pressure constant the volume should increase that is mean free path increases.

D. K.E.avg per molecule per degree of freedom is 12kBT.

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank
Browse year-wise authentic previous years' questions with solutions
Authentic CBT Mock Tests
Simulate official exam environment with live timer and percentile scoring