For three low density gases A, B, C pressure versus temperature g… - Vidyadip

MCQ

For three low density gases $A, B, C$ pressure versus temperature graphs are plotted while keeping them at constant volume, as shown in the figure.

The temperature corresponding to the point ' $K$ ' is $...........\,{}^{\circ}\,C$

✓
$-273$
B
$-100$
C
$-373$
D
$-40$

✓

Answer

Correct option: A.

$-273$

a
For isochoric process

$\frac{ P }{ T }= n \frac{ R }{ V }= constan t$

$P =\frac{ nR }{ V }( t +273)$

If $P =0 \Rightarrow t =-273^{\circ}\,C$

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