A nitrogen molecule consists of two nitrogen atoms separated by a distance of 1.3 10^ -10…
Physics · JEE Main · NTA Exams — Rotational Motion
A nitrogen molecule consists of two nitrogen atoms separated by a distance of \(1.3 \times 10^{-10} \mathrm{~m}\). The average rotational kinetic energy of a nitrogen molecule is \(4.0 \times 10^{-21} \downarrow\). (Given mass of a nitrogen atom = 14 amu \(\left(1 \mathrm{amu}=1.67 \times 10^{-27} \mathrm{~kg}\right)\). What is the angular velocity of the molecule?
- \(6.35 \times 10^{12} \mathrm{rad} / \mathrm{s}\)
- \(2.15 \times 10^{12} \mathrm{rad} / \mathrm{s}\)
- \(3.12 \times 10^{12} \mathrm{rad} / \mathrm{s}\)
- None of these
Answer
(A) 6.35 10^ 12 rad / s
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