Question
A calorimeter of mass 30 kg contains 0.2 kg of water at 30 ∘C. 0.1 kg of water at 60 ∘C is added to it, and the mixture is stirred well. The resulting temperature is found to be 35 ∘C. The specific heat capacity of the calorimeter is: (Specific heat of water =4200 J kg−1 K−1)