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A liquid is flowing throw a tube of vary...

A liquid is flowing throw a tube of varying diameter. The rate (R ) of flows of liquid in any cross section and diameter (D ) of the tube in that position are related as

A

R`prop` d

B

R `prop` (1/d)

C

R `prop (1/d^2)`

D

None of these

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The correct Answer is:
D
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