1.

A system is taken from state A to state N along two different paths 1 and 2. The heat absorbed and work done by system along these two paths are Q_(1) and Q_(2), andW_(1) and W_(2) respectively. Then

Answer»

`Q_(1) = Q_(2)`
`W_(1) = W_(2)`
`Q_(1) - W_(1) = Q_(2) - W_(2)`
`Q_(1) + W_(1) = Q_(2) + W_(2)`

Answer :C


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