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A flat plate of area 10cm^2 is separated...

A flat plate of area `10cm^2` is separated from a large plate by a layer of glycerine 1mm thick. If the coefficient of viscosity of glycerine is 20 poise, the force required to keep the plate moving with a velocity of 1cm/sec is

A

A. 80 dyne

B

B. 200 dyne

C

C. 800 dyne

D

D. 2000 dyne

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The correct Answer is:
D
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