193. In the figure below, two liquids are in equilibrium. If $\rho_1 = 1.2\,\dfrac{\text{g}}{\text{cm}^3}$ and $\rho_2 = 1\,\dfrac{\text{g}}{\text{cm}^3}$, the gauge pressure of the enclosed gas is how many Pascals? $\left(g = 10\,\dfrac{\text{N}}{\text{kg}}\right)$ [Figure: A U-shaped tube with gas trapped on the left side; the left column shows 90 cm height of gas above liquid $\rho_2$, and the right side shows 45 cm of liquid $\rho_1$ at the bottom.] (1) 3000 (2) 3600 (3) 5000 (4) 5800
\textbf{193.} In the figure below, two liquids are in equilibrium. If $\rho_1 = 1.2\,\dfrac{\text{g}}{\text{cm}^3}$ and $\rho_2 = 1\,\dfrac{\text{g}}{\text{cm}^3}$, the gauge pressure of the enclosed gas is how many Pascals? $\left(g = 10\,\dfrac{\text{N}}{\text{kg}}\right)$
\textit{[Figure: A U-shaped tube with gas trapped on the left side; the left column shows 90 cm height of gas above liquid $\rho_2$, and the right side shows 45 cm of liquid $\rho_1$ at the bottom.]}
\begin{center}
(1) 3000\\
(2) 3600\\
(3) 5000\\
(4) 5800
\end{center}