Q.

A system absorbs 600 J of energy and does work equivalent to 400J of energy. The internal energy change is

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a

1000J

b

200J

c

600J

d

300J

answer is B.

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Detailed Solution

ΔE=q−w=600−400=+200J
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A system absorbs 600 J of energy and does work equivalent to 400J of energy. The internal energy change is