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L,(L)/(2) and (L)/(3) are connected in s...

`L,(L)/(2)` and `(L)/(3)` are connected in series. Their radii are r, `(r)/(2)` and `(r)/(3)` respectively. Then, if stream-line flow is to be maintained and the pressure across the first capillary is P, then:

A

The pressure difference across the ends of second capillary is 8P

B

The pressure difference across the third capillary is 43P

C

The pressure difference across the ends of second capillary is 16P

D

The pressure difference across the third capillary is 59P

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