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Question: Capillary of cross sectional area 0.25m<sup>2</sup>. The velocity of flow is -...

Capillary of cross sectional area 0.25m2. The velocity of flow is -

A

0.1mm/s

B

0.2 mm/s

C

0.3 mm/s

D

0.4 mm/s

Answer

0.4 mm/s

Explanation

Solution

Q = AV Ž V = 100×10−60.25\frac { 100 \times 10 ^ { - 6 } } { 0.25 }

V = 400×10–3 mm/s = 0.4 mm/s