A) 2J
B) 4J
C) Zero
D) Infinity
Correct Answer: C
Solution :
External pressure \[({{p}_{Ext}})=0\](for vacuum) In other words, the gas expands against a zero external pressure. Hence, no work is done, because there is no force which oppose expansion. \[W={{p}_{ext}}\Delta V=0\]You need to login to perform this action.
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