Home
Class 12
PHYSICS
Force necessary to pull a circular plate...

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

A

30 dynes

B

60 dynes

C

750 dynes

D

`750pi` dynes

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 17

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NEET MOCK TEST 2

    NTA MOCK TESTS|Exercise PHYSICS|44 Videos

Similar Questions

Explore conceptually related problems

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 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 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 flat plate of radius 4cm from the surface of water is (surface tension os water =70"dyne"//cm)

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

Calculate the amount force required to take away a flat plate of radius 5 cm from the surface of water . Given surface tension of water = 72 "dyne"" "cm^(-1).

What is the force required to take away a flat circular plate of radius 2 cm from the surface of water ? T = 70 xx10^(3)N//m ." Use " pi = 22/7

NTA MOCK TESTS-NEET MOCK TEST 18-PHYSICS
  1. A uniform metal rod is used as a bar pendulum. If the room temperature...

    Text Solution

    |

  2. Equal masses of water and a liquid of density 2g/cm3 are mixed togethe...

    Text Solution

    |

  3. Force necessary to pull a circular plate of 5 cm radius from water sur...

    Text Solution

    |

  4. When a certain weight is suspended from a long uniform wire, its lengt...

    Text Solution

    |

  5. The mass and diameter of a planet have twice the value of the correspo...

    Text Solution

    |

  6. A force acts on a 3.0 gm particle in such a way that the position of t...

    Text Solution

    |

  7. A pulley fixed to the ceiling carries a string with blocks of mass m a...

    Text Solution

    |

  8. A body of mass m collides against a wall with the velocity v and rebou...

    Text Solution

    |

  9. Three rings, each of mass P and radius Q are arranged as shown in the ...

    Text Solution

    |

  10. A bullet of mass m moving with velocity upsilon(1) strikes a suspended...

    Text Solution

    |

  11. A particle is moving on a circular path with constant speed, then its ...

    Text Solution

    |

  12. Check up only the correct statement in the following.

    Text Solution

    |

  13. The force required to row a boat over the sea is proportional to the s...

    Text Solution

    |

  14. An incompressible liquid travels as shown in fig. The speed of the liq...

    Text Solution

    |

  15. A Newtonian fluid fills the clearance between a shaft and a sleeve. Wh...

    Text Solution

    |

  16. The magnitude of electric field intensity at point B(2,0,0) due to dip...

    Text Solution

    |

  17. A particle of mass m is moving in a potential well, for which the pote...

    Text Solution

    |

  18. An equilateral triangular frame is made of three thin massless rods. T...

    Text Solution

    |

  19. In the figure, m(A)=2 kg and m(B)=4kg. For what minimum value of F,A s...

    Text Solution

    |

  20. In an alpha -decay, the kinetic energy of alpha-particles is 48 MeV a...

    Text Solution

    |