A gas is found to obey the law $P =kV^{-2}$. The initial volume is $V_0$. If the gas expands to $4 V_0$ and if the initial temperature is $T_0$ what is its final temperature?

Question

(A) $2T_0$ (A) $-2T_0$ (A) $-4T_0$ (A) $4T_0$