Two thermally insulated vessels 1 and 2 are filled with air at temperatures (T1,T2) volume (V1,V2) and pressure (P1,P2) respectively. If the valve joining the two vessels is opened, the temperature inside the vessel at equilibrium will be

Question:

Options :

(a) T1 +T2
(b) (T1 +T2)/2
(c) T1.T2 (P1.V1 + P2.V2)/P1.V1.T2 + P2.V2.T1
(d) T1.T2 (P1.V1 + P2.V2)/P1.V1.T1 + P2.V2.T2

Answer :

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