Test Academy | Three copper blocks of masses M1, M2 and M3 kg respectively are brought into thermal contact till they reach equilibrium. Before contact, they were at T1, T2, T3 (T1 > T2 > T3 ). Assuming there is no heat loss to the surroundings, the equilibrium temperature T is (s is specific heat of copper) T = (T1+T2+T3)/3, T = (M1T1+M2T2+M3T3)/(M1+M2+M3), T = (M1T1+M2T2+M3T3)/3(M1+M2+M3), T = s(M1T1+M2T2+M3T3)/(M1+M2+M3)

Question

Three copper blocks of masses M1, M2 and M3 kg respectively are brought into thermal contact till they reach equilibrium. Before contact, they were at T1, T2, T3 (T1 > T2 > T3 ). Assuming there is no heat loss to the surroundings, the equilibrium temperature T is (s is specific heat of copper)

Options :

T = (T1+T2+T3)/3
T = (M1T1+M2T2+M3T3)/(M1+M2+M3)
T = (M1T1+M2T2+M3T3)/3(M1+M2+M3)
T = s(M1T1+M2T2+M3T3)/(M1+M2+M3)

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