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Water rises to a height of 6cm in a capi...

Water rises to a height of 6cm in a capillary tube. If `T = 7.2 xx 10^(-2) Nm^(-1) ` and g = `10ms^(-2)` the radius of the tube is

A

`0.24 mm`

B

`2.4 mm`

C

`0.12`mm

D

`0.48 mm`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Water rises to a height of 6cm in a capillary tube if T=7.2xx10^(-2)Nm^(-1) and g=10ms^(-2) , the radius of the tube is

    A
    `0.24mm`
    B
    `2.4mm`
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    `0.12mm`
    D
    `0.48mm`

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    `6.5xx10^(-3)N//m`
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    `6.5xx10^(-2)N//m`
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    `6.5xx10^(-1)N//m`

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