A) \[280\,\,\text{J}\]
B) \[800\,\,\text{J}\]
C) \[420\,\,\text{J}\]
D) \[840\,\,\text{J}\]
Correct Answer: D
Solution :
Amount of work done is given by \[W=200\,\,cal\] \[=200\times 4.2\,\,\text{J}=840\,\,\text{J}\]You need to login to perform this action.
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