Physics · 2013
NEET 2013 · 18 May · Code Y · Q114
A system is taken from state a to state c by two paths a d c and a b c as shown in the figure. The internal energy at a is U_a=10 J. Along the path a…
A system is taken from state $\displaystyle a$ to state $\displaystyle c$ by two paths $\displaystyle a d c$ and $\displaystyle a b c$ as shown in the figure. The internal energy at $\displaystyle a$ is $\displaystyle \mathrm{U}_a=10 \mathrm{~J}$. Along the path $\displaystyle a d c$ the amount of heat absorbed $\displaystyle \delta Q_1=50 \mathrm{~J}$ and the work obtained $\displaystyle \delta \mathrm{W}_1=20 \mathrm{~J}$ whereas along the path $\displaystyle a b c$ the heat absorbed $\displaystyle \delta \mathrm{Q}_2=36 \mathrm{~J}$. The amount of work along the path $\displaystyle a b c$ is :
Official answer
(2)
$\displaystyle 6$ J
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NEET (UG) 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.