CUET and UG exam NEET UG 2025 Mock Test Fluid Mechanics Properties of Fluids Surface Tension

A thin flat circular disc of radius 4.5 cm is placed gently over the surface of water. If surface tension of water is 0.07 N m^–1 , then the excess force required to take it away from the surface is

1

19.8 mN

2

198 N

3

1.98 mN

4

99 N

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