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If two capillary tubes of radii r(1)andr...

If two capillary tubes of radii `r_(1)andr_(2)` in the ratio 1 : 2 are dipped vertically in water, then the ratio of capillary rises in the respective tubes is

A

`1:4`

B

`4:1`

C

`1:2`

D

`2:1`

Text Solution

Verified by Experts

The correct Answer is:
D
Height of water,
`h=(2Tcostheta)/(rdg)`
Since, surface tension and density are same.
`therefore (h_(1))/(h_(2))=(r_(2))/(r_(1))`
`therefore (h_(1))/(h_(2))=(2)/(1)`
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