A) \[2.0\operatorname{kc}\operatorname{a}\operatorname{l}/\operatorname{kg}\]
B) \[7.\operatorname{kc}\operatorname{a}\operatorname{l}/\operatorname{kg}\]
C) \[3\operatorname{kc}\operatorname{a}\operatorname{l}/\operatorname{kg}\]
D) \[0.5\operatorname{kc}\operatorname{a}\operatorname{l}/\operatorname{kg}\]
Correct Answer: D
Solution :
[d] As the surrounding is identical, vessel is identical time taken to cool both water and liquid (from 30°C to 25°C) is same 2 minutes, therefore |
or, |
(W= water equivalent of the vessel) |
or, |
Specific heat of liquid, |
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