The root mean square speed of the molecules of a diatomic gas is 
. When the temperature is doubled, the molecules dissociate into two atoms. The new root mean square speed of the atom is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The rms speed is 
It is given that the temperature 
is doubled, the molecules dissociate into two atoms; therefore, it will become 
and 
will become 
. Hence, the value of 
will increase by 
that is, new root mean square velocity will be 
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