The following observations were taken for determining surface tensiton T of water bycapillary method : Diameter of capillary,D=1.25\times10^{-2}m rise of water, h=1.45 \times10^{-2}m Using g = 9.80 m/s2 and the simplified relation T={rhg}/2\times10^3N/m, the possible error in surface tension is closest to : [Main 2017]

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Section: Physics

Question : 4 of 90

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The following observations were taken for determining surface tensiton T of water bycapillary method :
Diameter of capillary,D=1.25×10−2m
rise of water, h=1.45×10−2m
Using g = 9.80 m/s2 and the simplified relation
T=

rhg

×103N/m, the possible error in surface tension is closest to :

[Main 2017]

2.4 %
10 %
0.15 %
1.5 %

Validate

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