Question

At $300 K$ the rms speed of oxygen molecules is $\sqrt {\frac {\alpha+5}{\alpha}}$ times to that of its average speed in the gas. Then, the value of $\alpha$ will be
(used $\pi=\frac {22}{7}$)

• A. 28
• B. 24
• C. 32
• D. 27

Answer 1

Answer: (A)

28

Answer 2

The correct option is (A): 28.