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What are drawbacks of the capillary rise...

What are drawbacks of the capillary rise method?

Text Solution

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1 It is difficult to measure mean radius .r. over a range of the entire height.
2 The cleaning of such narrow tube is not easy.
3 A correction for the curvature of the surface of liquid in the container is necessary but difficult to determine
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Knowledge Check

  • Water rises to a height of 20 xx 10^-3 m in a capillary tube. If radius of the capillary tube is made (2/3) of its previous value, the height to which the water will rise in the tube is

    A
    `30 xx 10^-3 m`
    B
    `20 xx 10^-3 m`
    C
    `10 xx 10^-3 m`
    D
    `40 xx 10^-3 m`

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