Question

If $v_{rms}$ = root mean square speed of molecules
$v_{av}$ = average speed of molecules
$v_{mp}$ = most probable speed of molecules
Then, identify the correct relation between these speeds.

• A. $v_{rms}>v_{av}>v_{mp}$
• B. $v_{av}>v_{mp}>v_{rms}$
• C. $v_{mp}>v_{av}>v_{rms}$
• D. $v_{rms}>v_{av}=v_{mp}$

Answer 1

The correct option is A $v_{rms}>v_{av}>v_{mp}$

root mean square speed of molecules > average speed of molecules > most probable speed of molecules

so the answer is A.