Question

work done by the system surrounding is
a) positive b) negative c)zero d)none​

Answer 1

Answer:

b) negative

Explanation:

when the system performs work on the surroundings, it consumes its own energy, so the internal energy of system decreases. Thus, work done by the system on surroundings is negative ( as it is negative, when the final energy will be calculated by adding the work done , the work done will get subtracted ,thus decreasing the final energy).

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Answer 2

Answer:

Answer is (a) Positive

Explanation:

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