MHT CET 2021 20th September Morning Shift | Fluid Mechanics Question 25 | Physics

The force required to take away a flat circular plate of radius $$2 \mathrm{~cm}$$ from the surface of water is $$\left[\right.$$Surface tension of water $$\left.=70 \times 10^{-3} \mathrm{Nm}^{-1}, \pi=\frac{22}{7}\right]$$

$$4.4 \times 10^{-4} \mathrm{~N}$$

$$8.8 \times 10^{-3} \mathrm{~N}$$

$$6.6 \times 10^{-4} \mathrm{~N}$$

$$11 \times 10^{-3} \mathrm{~N}$$

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