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Calculate the height which paraffin oil ...

Calculate the height which paraffin oil of density `800 kg/m^3` will rise in a capillary tube of radius 0.5mm, if surface tension of paraffin oil is `24.5 xx 10^-3 N/m` and its angle of contact with the tube is `28^@27'(g = 9.8 `m//s^2`)

A

1.1 cm

B

2.2 cm

C

4.3 cm

D

2.5 cm

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A
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