1.

To study the laminar flow of a liquid through a narrow tube, the following formula is used V=(pi P r^(4))/(8 eta l). Given P = 76 cm of Hg , r = 0.28 cm , V = 1.2 cm^(2)s^(-1) , l = 18.2 cmIf these quantities are measured to the accuracy of 0.5 cm of Hg, 0.01 cm, 0.1 cm^(3) s^(-1) and 0.1 cmrespectively, find maximum percentatge error in the value of eta.

Answer»

`18.83%`
`23.8 %`
`38.83%`
`48.83%`

ANSWER :B


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