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If the surface tension of water is 0.06 ...

If the surface tension of water is `0.06 Nm^(-1)`, then the capillary rise in a tube of diameter 1 mm is (angle of contact = `0^@`) ………….. .

A

1.22 cm

B

2.44 cm

C

3.12 cm

D

3.86 cm

Text Solution

Verified by Experts

The correct Answer is:
B
`h = (2T cos theta)/(r rho g) = (2 xx 0.06 xx 1)/(0.5 xx 10^(-3) xx 9.8) = 0.0244 m implies h = 2.44 cm`.
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