Three moles of a gas at a temperature ' 
' is heated to thrice its volume by keeping the pressure constant. If ' 
' is the ratio of specific heats, then the increase in internal energy of the gas is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Number of moles, 
Initial volume, 
Final volume, 
Ratio of specific heat, 
Change in internal energy, 
……(i)
Degree of freedom;
At constant pressure,
Substitute 
in equabtion (1)
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