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A curved liquid surface has radius of cu...

A curved liquid surface has radius of curvature `R_(1) and R_(2)` in two perpendicular directions as shown in figure. Surface tension of the liquid is `T`. Find the difference in pressure on the concave side and the convex side of the liquid surface.

Text Solution

Verified by Experts

The correct Answer is:
`DeltaP=T(1/R_(1)+1/R_(2))`
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Knowledge Check

  • If there is no difference of pressure on the two sides of the surface, then the liquid surface is

    A
    concave
    B
    convex
    C
    cylindrical
    D
    plane

  • If the surface tension of a liquid is T , the gain in surface energy for an increase in liquid surface by A is

    A
    `AT^(-1)`
    B
    AT
    C
    `A^(2)T`
    D
    `A^(2)T^(-2)`

  • If the surface tension of liquid is T , the work required to increases its surface are by A,is

    A
    `AxxT`
    B
    `Axx2`
    C
    `2AxxT`
    D
    `A^2xxT`

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