The bulb of the open-end manometer shown above contains a

Last updated: 7/23/2022

The bulb of the open-end manometer shown above contains a gas. True statements about this system include which of the following? I. Only atmospheric pressure is exerted on the exposed mercury surface in the right side of the tube. II. The gas pressure is greater than atmospheric pressure. III. The difference in the height, h, of mercury levels is equal to the pressure of the gas. (A) II only (B) III only (C) I and II only (D) I and III only (E) I, II, and III