A horizontal circular loop of wire of radius 0.02 m is lowered into a crude oil form film. The force due to surface tension of the liquid is 0.0113 N. Calculate the surface tension of crude oil
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Answered by
46
Given :
r = 0.02m
F = 0.0113 N
F = Tl
l = 2 × 2πr
F = Tl
∴ F = 4πrT
∴ T = F /4 r π
T = 0.0113/ 4 x3.142x 0.02
∴ T = 0.04495 N/m
∴the surface tension of crude oil is 0.04495 N/m
Answered by
21
r = 0.02m
F = 0.0113 N
F = Tl
l = 2 × 2πr
F = Tl
F = 4πrT
T = F /4 r π
T = 0.0113/ 4 x3.142x 0.02
T = 0.04495 N/m
the surface tension of crude oil is 0.04495 N/m
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