CBSE Class 11-science Answered
50 j of heat is supplied to a system calculate the work done if the internal energy of the system increases by 80 j
![question image](https://images.topperlearning.com/topper/new-ate/topr_2284316298470324Screenshot2020121315254657.jpeg)
Asked by kjay0981 | 13 Dec, 2020, 15:45: PM
According to first law of thermodynamics,
![increment U equals increment Q plus W
80 equals 50 plus W
W equals 30 space J](https://images.topperlearning.com/topper/tinymce/cache/73b709d7250ef8f51a3a5bd47bafc40f.png)
W is positive which means 30 J work done on system
Answered by Ravi | 16 Dec, 2020, 11:47: AM
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