Question 20
If a vacuum closed-tube is placed into a vessel of mercury then the level of mercury in the tube will rise to a height of 76 cm (figure A).
a. If the tube is slanted as shown in figure B, will the mercury reach the top of the vacuum tube? Explain your answer. (Score: 2)
b. If the shape of the tube is shown in figure C, the mercury level in the tube is … cm. (Score: 1)
a. If the tube is slanted as shown in figure B, will the mercury reach the top of the vacuum tube? Explain your answer. (Score: 2)
b. If the shape of the tube is shown in figure C, the mercury level in the tube is … cm. (Score: 1)