Notifications
Clear all
0
10/09/2021 10:53 am
Topic starter
α, v and u represent most probable velocity, average velocity and root mean square velocity respectively of a gas at a particular temperature. The correct order among the following is
(a) u > v > α
(b) v > u > α
(a) α > u > v
(d) u > α > v
1 Answer
0
10/09/2021 10:56 am
Correct answer: (a) u > v > α
Explanation:
u : v : α = \(\sqrt{\frac{3RT}{M}}\): \(\sqrt{\frac{8RT}{\pi M}}\) : \(\sqrt{\frac{2RT}{M}}\)
= \(\sqrt 3\) : \(\sqrt{\frac{8}{\pi}}\) : \(\sqrt 2\)