Question 11

A viscous liquid flows through a capillary tube. The tube is 13 cm long and has an inside diameter of 0.200 mm. The pressure difference between the two ends of the capillary is maintained at 3000 Pa. If the flow rate Q of the liquid is measured to be 20 microL/s, the viscosity coefficient of the liquid is:

• A.    4.53*10^-5 Pa s
• B.    1.00*10^-3 Pa s
• C.    4.84*10^-4 Pa s
• D.    1.18*10^-7 Pa s
• E.    1.45*10^-5 Pa s
• F.    1.81*10^-3 Pa s

Formula Sheet

Question 10

Question 12

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