The root mean square speed of the molecules of a diatomic gas is \(...

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The root mean square speed of the molecules of a diatomic gas is \( v \). When the temperature is doubled, the molecules dissociate into two atoms. The new root mean square speed of the atom is
\( \mathrm{P} \)
[Roorkee 1996; Pb. PMT 2004; RPMT 2005; DCE 2006]
(a) \( \sqrt{2} v \)
(b) \( v \)
(c) \( 2 v \)
(d) \( 4 v \)
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