Three copper blocks of masses 
and 
respectively are brought into thermal contact till they reach equilibrium. Before contact, they were at 
). Assuming there is no heat loss to the surroundings, the equilibrium temperature 
is ( 
is specific heat of copper):
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Let the equilibrium temperature of the system is 
Let us assume that 
.
According to question, there is no net heat loss to the surroundings.
Heat lost by 
Heat gained by 
Heat gained by 
(where, s is specific heat of the copper material)
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