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Q.
A cyclic process is shown in the $p-T$ diagram. Which of the following curves shows the same process on the $p-V$ diagram?
NTA AbhyasNTA Abhyas 2022
Solution:
$\because \, \frac{p V}{T}=$ constant (for a given mass of an ideal gass)
AB: Isochoric process, $V=$ constant
$T\uparrow \, and \, p\uparrow$
BC: Isobaric process
P = constant
$T\downarrow$ hence $V\downarrow$
CA: Isothermal process
p is decreasing hence, V is increasing, it means that p-V diagram will be rectangular hyperbola.
