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Thermodynamic Processes

A system is p...

Question

A system is provided with $50$ Joules of heat and the work done on the system is $10$ Joules. What is the change in internal energy of the system in Joules?

A

30 J

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B

60 J

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C

90 J

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D

120 J

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Solution

The correct option is C $60 J$
Solution:- 60J
Given:-
$q = 50 J$
$W = 10 J$
According to first law of thermodynamics,
$\Rightarrow Internal energy (Δ U) = q + W = 50 + 10 = 60 J$

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