Question

Select One Correct Option from the following:The temperature of an ideal gas is increased from 120 K to 480 K. If at 120 K the rms velocity of the gas molecules is v, at 480 K it becomes
(A) $4 \upsilon$
(B) $2 \upsilon$
(C) $\upsilon /2$
(D) $\upsilon /4$

Answer 1

its b (tex) 4 uplsilon tex .