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When water rises in a capillary tube of ...

When water rises in a capillary tube of radius `r` to height h, then its potential energy `U_(1)` if capillary tube of radius 2r is dipped in same water then potential energy of water is `U_(2)` then `U_(1):U_(2)` will be

A

`1:1`

B

`1:2`

C

`2:1`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
A
gravitational P.E. of the liquid in the tube is independent of radius of the tube.
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Knowledge Check

  • Two capillary tubes of different diameters are dipped in water .The rise of water is :

    A
    grater in the tube of smaller diameter
    B
    greater in the tube of larger diameter
    C
    same in both tubes
    D
    none of these

  • Water rises in a capillary tube a height h. Choose false statement regarding capillary rise from the following.

    A
    On the surface of jupiter, height will be less than h
    B
    In a lift moving up with contact acceleration height is less than h
    C
    On the surface of moon the height is more than h
    D
    In a lift moving down with constant acceleration height is less than h

  • Water rises to a height h when a capillary of radius r is dipped in water. For another capillary of radius 2r dipped in water, it rises to the height

    A
    h
    B
    2h
    C
    `(h)/(4)`
    D
    `(h)/(2)`