A) 1680 kJ
B) 1700 kJ
C) 1720 kJ
D) 1740 kJ
Correct Answer: A
Solution :
\[Q=m.c.\Delta \theta =5\times (1000\times 4.2)\times (100-20)\] \[=1680\times {{10}^{3}}J=1680\,kJ\]You need to login to perform this action.
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