AP EAMCET · PHYSICS · Kinetic Theory of Gases
The molecular motion ceases at
- A \(273 \mathrm{~K}\)
- B \(273^{\circ} \mathrm{C}\)
- C \(-273 \mathrm{~K}\)
- D \(-273^{\circ} \mathrm{C}\)
Answer & Solution
Correct Answer
(D) \(-273^{\circ} \mathrm{C}\)
Step-by-step Solution
Detailed explanation
According to kinetic theory of gases, average kinetic energy of gas molecules is \[ K=\frac{3}{2} R T \] i.e. \(\quad K \propto T\) We know that, kinetic energy may not be negative. Its minimum value may be equal to zero. Hence, minimum possible temperature on the earth is equal…
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