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The rise of a liquid in a capillary tube...

The rise of a liquid in a capillary tube depends on

A

the material

B

the length

C

the inner radius of the tube

D

All the above

Text Solution

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The correct Answer is:
A
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Water or any liquid rises in the capillary tube because of _____ .

The lower end of a capillary tube is dipped into water and it is seen that the water rises through 7.5 cm in the capillary. Find the radius of the capilary. Surface tension of water =7.5xx10^-2Nm^-1 . Contact angle between water and glass =0^@. Take g=10ms^-2 .

Knowledge Check

  • For a liquid to rise in capillary tube, the angle of contact should be ..........

    A
    acute
    B
    obtuse
    C
    right
    D
    none of these

  • The rate of flow of water in a capillary tube of length l & radius r is V the rate of flow in another capillary tube of length 2l radius 2V for same pressure difference would be

    A
    16 V
    B
    9 V
    C
    8 V
    D
    2 V

  • What is the shape , when - wetting liquid is placed in a capillary tube ?

    A
    convex upward
    B
    Concave upwards
    C
    concave downwards
    D
    convex downwards

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    Define capillary water.

    What is capillarity ? Obtain an expression for the surface tension of a liquid by capillary rise method .

    What is capillarity ? Obtain an expression for the surface tension of a liquid of by capillary rise method.

    What is capillarity? Obtain an expression for the surface tension of a liquid by capillary rise method.

    What is capillarity? Obtain an expression for the surface tension of a liquid by capillary rise method.

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