Pressure versus temperature graph of an ideal gas is as shown in figure. Density of the gas at point $A$ is ${\rho _0}$. Density at point $B$ will be
  • A$\frac{3}{4}\,{\rho _0}$
  • B$\frac{3}{2}\,{\rho _0}$
  • C$\frac{4}{3}\,{\rho _0}$
  • D$2\,{\rho _0}$
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