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Question: Answered & Verified by Expert
The translational kinetic energy of the molecules of a gas at absolute temperature ( $\mathrm{T}$ ) can be doubled
PhysicsKinetic Theory of GasesMHT CETMHT CET 2021 (22 Sep Shift 1)
Options:
  • A by increasing $\mathrm{T}$ to $4 \mathrm{~T}$
  • B by increasing $\mathrm{T}$ to $2 \mathrm{~T}$
  • C by decreasing $\mathrm{T}$ to $\mathrm{T} / 2$
  • D by increasing $\mathrm{T}$ to $\sqrt{2} \mathrm{~T}$
Solution:
1073 Upvotes Verified Answer
The correct answer is: by increasing $\mathrm{T}$ to $2 \mathrm{~T}$
$$
\mathrm{E}_{\text {molecule }}=\frac{3}{2} \mathrm{kT}
$$
Kinetic energy is directly proportional to absolute temperature.

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