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An ideal diatomic gas under goes a thermodynamic process such that the change in its internal energy is Q3 where Q is the heat supplied to the gas during the process. If ‘C’ be the molar specific heat for the process. Then C =

a
7.5  R
b
3.5 R
c
5 R
d
1.5 R

detailed solution

Correct option is A

(1)ΔU=Q3,Now   Q=n.C. ΔT   and  ΔU=n.CV. ΔT∴   n.CV . ΔT=13 ×  n  C.  ΔT⇒   n.5R2 . ΔT  =13 .  n.C. ΔT   ⇒  C=15R2

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