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A capillary tube is attached horizontall...

A capillary tube is attached horizontally to a constant heat arrangement. If the radius of the capillary tube is increased by 10%, then rate of flow of liquid will change nearly by

A

`+10%`

B

`46%`

C

`-10%`

D

`-40%`

Text Solution

Verified by Experts

The correct Answer is:
B
`Vpropr^(4), V'prop(r+1/10r)^(4)`
`(V')/V=(11xx11xx11xx11)/(10x10xx10xx10)=1.4641`
`((V')/V-1)xx100=46.4%`
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