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in Physics by (75.9k points)
Between a plate of area `100 cm^(2)` and another plate of area `100 m^(2)` there is a `1 mm`, thick layer of water, if the coefficient of viscosity of water is `0.01` poise, then the force required to move the smaller plate with a velocity `10 cms^(-1)` with reference to large plate is
A. `100 dyn`
B. `10^(4)dyn`
C. `10^(6) dyn`
D. `10^(9)dyn`

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1 Answer

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by (87.2k points)
Correct Answer - A
`F=(0.01xx100xx10)/0.1dyn=100dyn`

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