JEE Main 2017 Physics question
In an experiment, a sphere of aluminium of mass kg is heated up to C. Immediately, it is put into water of volume cc at C kept in a calorimeter of water equivalent to kg. The final temperature of the system is C. The specific heat of the aluminium is (take Joule calorie):
Answer: (1)
Solution
The water equivalent of the calorimeter, kg, means the calorimeter absorbs the same heat as kg of water. Together with the cc ( kg) of water, the effective water mass is kg. Equating heat lost by the aluminium to heat gained by water plus calorimeter,
0.20× s×(150-40) = 0.
See the full step-by-step solution
Create a free account to read the complete working (5 steps), and practise questions like this in a timed test.
Create a free account