A) 1.5kcal
B) 15kcal
C) 150kcal
D) 1500kcal
Correct Answer: C
Solution :
Heat product \[H=\frac{{{V}^{2}}t}{R\times J}cal\] \[H=\frac{P.t}{J}\] \[=\frac{1500\times 7\times 60}{4.2}\] \[=1.5\times {{10}^{5}}cal\] \[=150\ kcal\]
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