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Two narrow bores of diameters 3.0mm and 6.0 mm are joined together to form a U-shaped tube open at both ends. If th U-tube contains water, what is the difference in its levels in the two limbs of the tube? Surface tension of water at the temperature of the experiment is `7.3xx10^(-2)Nm^(-1)`. Take the angle of contact to be zero. and density of water to be `1.0xx10^(3)kg//m^(3)`.
`(g=9.8 ms^(-2))`

A

3mm

B

2mm

C

4mm

D

5.0mm

Text Solution

Verified by Experts

`h=(2T)/(dg)[(1)/(r_(1))-(1)/(r_(2))]`
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