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The minimum force required to separate a...

The minimum force required to separate a light glass plate of perimeter 5m from a water surface is (Given surface tension of water = `70 xx 10^(-3)`N/m)

A

`350 xx 10^(-3)`N

B

`75 xx 10^(-3)`N

C

`100 xx 10^(-3)`N

D

`150 xx 10^(-3)` N

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The correct Answer is:
A
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