MCQ
The pressure exerted by a 5 m column of water equals the pressure exerted by a mercury column of height (density of mercury 13,600 kg/m^3, water 1000 kg/m^3):
Explanation
h_mercury = h_water x (density_water/density_mercury) = 5 x 1000/13,600 = 0.368 m = 36.8 cm.