Correct option is (1)
Boyle's law is defined at constant temperature for an ideal gas.
\(P\propto \frac 1V\)
\(P = (nRT)(\frac 1V)\) [straight line equation]
slope of P versus \(\frac 1V\) curve is nRT
⇒ Slope \(\uparrow\)
⇒ T \(\uparrow\)
\(\therefore\) T3 > T2 > T1
