Two capillaries of lengths L 2L and of ...

Two capillaries of lengths L 2L and of radii R and 2R are connected in series the net rate of flow of fluid through them will (rate of the flow through singe capillary, `x = pi R^(4)// 8 eta L`) be

`(8)/(9) alpha`

`(9)/(8) alpha`

`(5)/(7) alpha`

`(7)/(5) alpha`

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