A) increasing the temperature of 10 g of water through \[10{}^\circ C\]
B) increasing the temperature of 100 g of water through \[10{}^\circ C\]
C) increasing the temperature of 1 kg of water through \[10{}^\circ C\]
D) increasing the temperature of 500 g of water through \[10{}^\circ C\]
Correct Answer: B
Solution :
[b] Work done to raise the temperature of 100 gm water through \[10{}^\circ C\]is \[\operatorname{W}=JQ =4.2\times (100\times l{{0}^{-3}}\times 1000\times l0)\] \[=4200\text{ }J\]
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