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A capillary tube is attached horizontall...

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

A

`-40%`

B

`+40%`

C

`+21%`

D

`+46%`

Text Solution

Verified by Experts

The correct Answer is:
D
`Qpropr^(4),((Q_(2)-Q_(1))/(Q_(1)))100=((r_(2)^(4)-r_(1)^(4))/(r_(1)^(4)))100`
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