A monoatomic ideal gas, initially at temperature 
is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature 
by releasing the piston suddenly. If 
and 
are the lengths of the gas column before and after expansion respectively then 
is given by
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
For an ideal monatomic gas, the number of degrees of freedom, 
In an adiabatic process, 
As volume is proportional to length.
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