Home
Class 12
PHYSICS
10 cm long wire is placed horizontally o...

10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force `2 xx 10^-2 N` to keep the wire in equilibrium. The surface tension in N/m is,

A

0.002

B

0.001

C

0.2

D

0.1

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    MBD PUBLICATION|Exercise QUESTION BANK|191 Videos

  • MECHANICAL PROPERTIES OF FLUID(FLUID IN MOTION)

    MBD PUBLICATION|Exercise QUESTION BANK|164 Videos

Similar Questions

Explore conceptually related problems

A wire 10cm long is placed horizontally on surface of liquid and gently pulled up with force 1.7xx10^-2N to keep wire in equilibrium. What is surface tension of liquid.

A water drop has a diameter of 2 xx 10^-5m . Calculate the excess pressure inside, compared to the outside, if the surface tension of water is 0.072 N/m

A point charge is placed at the centre of a spherical Gaussian surface. The electric flux through its surface is 1.5 xx 10^(4)N-m^(2)//C . If the radius of the Gaussian surface is doubled. This flux passing through its surface will be

MBD PUBLICATION-MECHANICAL PROPERTIES OF FLUID (LIQUID AT REST)-QUESTION BANK
  1. A drops of mercury, 2mm in a diameter is broken up into 1000 droplets,...

    Text Solution

    |

  2. Compare the amount of work done in blowing soap bubbles of radii 3cm t...

    Text Solution

    |

  3. 10 cm long wire is placed horizontally on the surface of water and is ...

    Text Solution

    |

  4. The work done in increasing the size of soap film from 10cm xx 6cm to ...

    Text Solution

    |

  5. The work done to from a layer of soap solution of size 10cm xx 10cm wi...

    Text Solution

    |

  6. Surface tension of a liquid is 70 dyne/cm, in M.K.S. system it will be

    Text Solution

    |

  7. A drops of mercury, 2mm in a diameter is broken up into 1000 droplets,...

    Text Solution

    |

  8. The S.T. of water is 7.2 xx 10^-2 N/m. The work required to break a dr...

    Text Solution

    |

  9. A soap film is formed on a rectangular wire frame of size 5cm xx 2cm. ...

    Text Solution

    |

  10. What will be the work done in blowing a soap bubble of radius 2cm, the...

    Text Solution

    |

  11. Suppose that 64 raindrops combine into a single drops. Calculate the r...

    Text Solution

    |

  12. A film of soap solution is formed in a rectangular wire frame of lengt...

    Text Solution

    |

  13. The surface tension of a liquid is 5 N/m. If a film is held on a ring ...

    Text Solution

    |

  14. A drops of water is placed between two parallel glass plates which are...

    Text Solution

    |

  15. The maximum force, in addition to the weight required to pull a wire f...

    Text Solution

    |

  16. There is a small hole in a hollow sphere. The water enters in it when ...

    Text Solution

    |

  17. A soap bubble of radius 1/sqrtpi cm is expanded to have double the rad...

    Text Solution

    |

  18. The amount of work done to form a spherical soap bubble of radius 0.05...

    Text Solution

    |

  19. A large drop of mercury of radius 1.0 mm splits into 1000 small drople...

    Text Solution

    |

  20. 125 small water droplets, each of radius, 0.1 mm come together to form...

    Text Solution

    |