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JEE Main 2017 (9 Apr, Shift 1) · P-V Diagrams & Cyclic Processes

P-V Diagrams & Cyclic Processes question from JEE Main 2017 (9 Apr, Shift 1)

Q68JEE Main 2017 · 9 APR · SHIFT 1Medium

P-V Diagrams & Cyclic Processes

For the P-V diagram given for an ideal gas,

Figure

out of the following which one correctly represents the T-P diagram?

(A)

Figure

(B)

Figure

(C)

Figure

Numerical answer type. Work it out, then open the answer.

Show answer and solution

Answer: c

  1. P=constVP = \frac{\text{const}}{V} means PVPV is constant, so TT is constant (isothermal).
  2. From 1 to 2 the pressure decreases while TT stays the same.
  3. On a T-P graph this is a horizontal line with point 2 at lower PP than point 1, as in option (C).
  4. So the answer is (c).
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