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A space 2.5cm wide between two large pla...


A space `2.5cm` wide between two large plane surfaces is filled with oil. Force required to drag a very thin plate of area `0.5m^2` just midway the surfaces at a speed of `0.5(m)/(sec)` is `1N`. The coefficient of viscosity in `kg-(s)/(m^2)` is:

A

`5xx10^(-2)`

B

`2.5xx10^(-2)`

C

`1xx10^(-2)`

D

`7.5xx10^(-2)`

Text Solution

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The correct Answer is:
B
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