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Physics
Pressure versus temperature graphs of an ideal gas are as shown in figure. Choose the wrong statement <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-rwkul80w4pb6.png />
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Q. Pressure versus temperature graphs of an ideal gas are as shown in figure. Choose the wrong statement
NTA Abhyas
NTA Abhyas 2020
Thermodynamics
A
density of gas is increasing in graph (i)
16%
B
density of gas is decreasing in graph (ii)
11%
C
density of gas is constant in graph (iii)
32%
D
none of these
42%
Solution:
(i) At constant temperature $P \propto \rho $
(ii) At constant pressure $T \propto \frac{1}{\rho }$
(iii) $V \rightarrow $ constant
$\therefore \rho \rightarrow $ constant
