The root mean square speed of molecules of a gas changes with change in the

A
temperature of the gas
B
pressure of the gas
C
volume of the gas
D
number of molecules of the gas

Solution:

$u_{rms} = \sqrt{3 R T / M}; u_{rms}$ depends only on temperature for a given gas. It is independent of variation in p or V at constant temperature as $p V =$ constant (Boyle's law).

Solution:

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