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Two capillary tubes of radii 0.2 cm and ...

Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same liquid. The ratio of height through which liquid will rise in the tube is

A

`2: 3`

B

`1: 4`

C

`2:1`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
C
For rise of liquid in capillary, `h= (2S cos theta)/(r rho g)`
`:. (h_(1))/(h_(2)) = (r_(2))/(r_(1)) = (0.4)/(0.2) = 2`
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