Consider two mercury barometers,one with twice the cross-sectional area of the other.Neglecting capillarity,mercury in the smaller tube will rise
A)the same height as in the larger tube.
B)twice as high as mercury in the larger tube.
C)four times as high as mercury in the larger tube.
D)more than four times as high as in the larger tube.
E)none of these

Question

Quizplus · Accepted Answer

The height of the mercury column in a barometer depends only on the atmospheric pressure and the density of the mercury. The cross-sectional area of the tube does not affect the height of the column. Therefore, the height of the mercury column in the smaller tube will be the same as in the larger tube.

Consider Two Mercury Barometers,one with Twice the Cross-Sectional Area of the Other.Neglecting