Water rises to a height of 10cm in a capillary tube and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6gm/cc and the angle of contact is 135^@. Find ratio of surface tensions of water and mercury

Water rises to a height of 10cm in a capillary tube and mercury falls

1.	Water rises to a height of 10cm in a capillary tube and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6gm/cc and the angle of contact is 135^@. Find ratio of surface tensions of water and mercury
Answer» `13:2` `5:16` `16:5` `2:13` ANSWER :D