A) Increasing the temperature of 10 gm of water through 10°C
B) Increasing the temperature of 100 gm of water through 10°C
C) Increasing the temperature of 1 kg of water through 10°C
D) Increasing the temperature of 10 kg of water through 10°C
Correct Answer: B
Solution :
Work done to raise the temperature of 100 gm water through 10°C is \[W=JQ=4.2\times (100\times {{10}^{-3}}\times 1000\times 10)=4200\,J\]
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