[" Force necessary to pull a circular plate of "5cm" radius "],[" from water surface for which surface tension is "75],[" dynes/ "cm," is "]

Force necessary to pull a circular plate of 5 cm radius from water surface for which surface tension is 75 dynes/cm, is

Force necessary to pull a circular plate of 5cm raduis from water surface for which surface tension is 75 dynes/cm, is

The force required to lift a circular flat plate of radius 5 cm on the surface of water is: (Surface tension of water is 75 dyne/cm):-

The force required to lift a circular flat plate of radius 5 cm on the surface of water is: (Surface tension of water is 75 dyne/cm):-

The force required to lift a circular flat plate of radius 5 cm on the surface of water is: (Surface tension of water is 75 dyne/cm):-

The force required to take away a flat circular plate of radius 2 cm from the surface of water, will be (the surface tension of water is 70 dyne/cm)

The force required to take away a flat circular plate of radius 4 cm from the surface of water is

The force required to take away flat plate of radius 4cm from the surface of water is (surface tension os water =70"dyne"//cm)