AIPMT | 2015Atomic StructureEasy
Question
One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure,
The change in internal energy of the gas during the transition is :
The change in internal energy of the gas during the transition is :
Options
A.-20 kJ
B.20 J
C.-12 kJ
D.20 kJ
Solution
ᐃU = nCvᐃT & T = 
So ᐃT = T2 - T1 =
So ᐃU =
⇒ ᐃU =
= - 20 kJ
Hence option (1)
So ᐃT = T2 - T1 =
So ᐃU =
⇒ ᐃU =
= - 20 kJHence option (1)
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