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Water rises to a height of 10cm in a cap...

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

A

` 1:0.5`

B

`1:3 `

C

`1:6.5 `

D

` 1.5:1 `

Text Solution

Verified by Experts

The correct Answer is:
C
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