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NEET 2013
Exam
NEET
Year
2013
Subject
Physics
Chapter
Thermodynamics

NEET 2013 · Physics · Thermodynamics

A gas is taken through the cycle A arrow B arrow C arrow A , as...

A gas is taken through the cycle A→B→C→AA \rightarrow B \rightarrow C \rightarrow A, as shown. What is the net work done by the gas? A gas is taken through the cycle A arrow B arrow C arrow A , as shown. What is the net work done by the gas?

Options

  1. A2000 J2000 \mathrm{~J}
  2. B1000 J1000 \mathrm{~J}
  3. CZero
  4. D−2000 J-2000 \mathrm{~J}

Correct answer

B. 1000 J1000 \mathrm{~J}

Step-by-step solution

Net work done = Area enclased in pVp V curve, i.e., △ABC\triangle \mathrm{ABC}=12×5×10−3×4×105 J=103 J=1000 J\begin{aligned} & =\frac{1}{2} \times 5 \times 10^{-3} \times 4 \times 10^5 \mathrm{~J} \\ & =10^3 \mathrm{~J} \\ & =1000 \mathrm{~J} \end{aligned}$$
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