An open glass tube is immersed in mercury in such a way that the length 8 cm extends above the mercury level. Now the open end of the tube is closed by a finger and raised further by 44 cm. What will be the length of air column above mercury in the tube. Take atmospheric pressure to be 76cm of mercury. Neglect capillary effect.

An open glass tube is immersed in mercury in such a way that the lengt

1.	An open glass tube is immersed in mercury in such a way that the length 8 cm extends above the mercury level. Now the open end of the tube is closed by a finger and raised further by 44 cm. What will be the length of air column above mercury in the tube. Take atmospheric pressure to be 76cm of mercury. Neglect capillary effect.
Answer» 5.4 cm 15.4 cm 25.4 cm 35.4 cm Answer :B