An aqueous solution with a specific gravity of $1\mathrm{.}12$ flows through a channel with a variable cross section. Data taken at two axial positions in the channel are shown here.

$\backslash$table$[[,$Point $1,$Point $2],[P_{\text{g}\text{a}\text{u}\text{g}\text{e}},1\mathrm{.}5{10}^{5}Pa,9\mathrm{.}77{10}^{4}Pa$