Question:medium

The molecules of a given mass of a gas have an r.m.s. velocity of 200 m s⁻¹ at 27°C and 1.0 × 10⁵ N m⁻² pressure. When the temperature and pressure of the gas are 127°C and 0.05 × 10⁵ N m⁻², respectively, the r.m.s. velocity of its molecules is:

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RMS speed is independent of pressure; it depends only on absolute temperature.
Updated On: Mar 23, 2026
  • \(100\sqrt{2}\)
  • \(\frac{400}{\sqrt{3}}\)
  • \(\frac{100\sqrt{2}}{3}\)
  • (100)/(3)
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The Correct Option is A

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