AP EAMCET · PHYSICS · Kinetic Theory of Gases
The energy (in eV) possessed by a neon atom at \(77^{\circ} \mathrm{C}\) is (Blotzmann constant, \(\mathrm{K}_{\mathrm{B}}=1.38 \times 10^{-23} \mathrm{~J} \mathrm{~K}^{-1}\) )
- A \(1.32 \times 10^{-3}\)
- B \(3.20 \times 10^{-4}\)
- C \(4.52 \times 10^{-2}\)
- D \(3.88 \times 10^{-2}\)
Answer & Solution
Correct Answer
(C) \(4.52 \times 10^{-2}\)
Step-by-step Solution
Detailed explanation
Temperature, \(\mathrm{T}=77^{\circ} \mathrm{C}=273+77=350 \mathrm{~K}\) Boltzman constant, \(\mathrm{K}_{\mathrm{B}}=1.38 \times 10^{-23} \mathrm{~J} / \mathrm{K}\) Energy is given by, \(\mathrm{E}=\frac{3}{2} \mathrm{~K}_{\mathrm{B}} \mathrm{T}\)…
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