The temperature of an ideal gas is reduced from \( 927^{\circ} \mathrm{C} \) to \( 27^{\circ} \m...

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The temperature of an ideal gas is reduced from \( 927^{\circ} \mathrm{C} \) to \( 27^{\circ} \mathrm{C} \). The r.m.s. velocity of the molecules becomes
(a) Double the initial value
(b) Half of the initial value
(c) Four times the initial value
(d) Ten times the initial value
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