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When a system is taken from state A to s...

When a system is taken from state `A` to state `B` along path `ACB` as shown in figure below, `80 J` of heat flows into the system and the system does `30 J` of work.

How much heat flows into the system along path `ADB` if the work done by the system is `10 J`:

A

`40 J`

B

`60 J`

C

`80 J`

D

`100 J`

Text Solution

Verified by Experts

The correct Answer is:
B
Since `Delta E= q+w=80-30=50`
So for `ADB`
`Delta E=q+w , 50=q-10, q=60J`
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