A) reduced to half
B) reduced to one-fourth
C) increased four times
D) increased two times
Correct Answer: C
Solution :
Root mean square velocity of gas is given by \[{{U}_{rms}}=\sqrt{\frac{3RT}{M}}=\sqrt{\frac{3PV}{M}}=\sqrt{\frac{3P}{d}}\] From the above it is clear that r.m.s speed is doubled when the temperature increased four times.
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