Home
Class 12
PHYSICS
Calculate the workdone in increasing the...

Calculate the workdone in increasing the radius of soap bubble in air from 1 cm to 2 cm. The surface tension of soap solution is 30 dyne/cm.

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

Calculate the excess inside a soap bubble of radius 5mm, given surface tension of soap solution 30 dyne/cm.

Find the workdone in blowing soap bubble of radius 7cm. Surface tension of soap solution is 0.035N/m.

Find the difference in air pressure between the inside and outside of a soap bubble 5 mm in diameter , if the surface tension of soap solution be 1.6N/m .

Calculate the excess pressure between inside and outside of soap bubble of radius 1cm (surface tension of soap bubble = 3.2xx10^-2NM^-1

If the radius of a circle increasing from 5 cm to 5.1 cm, then find the increase area.

MBD PUBLICATION-MECHANICAL PROPERTIES OF FLUID (LIQUID AT REST)-QUESTION BANK
  1. Find the workdone in blowing soap bubble of radius 7cm. Surface tensio...

    Text Solution

    |

  2. A wire 10cm long is placed horizontally on surface of liquid and gentl...

    Text Solution

    |

  3. Calculate the workdone in increasing the radius of soap bubble in air ...

    Text Solution

    |

  4. A drop of mercury of radius 0.2 cm falls from certain heights and divi...

    Text Solution

    |

  5. What is the potential energy of soap film formed of area 2xx10^-3m^2 ?...

    Text Solution

    |

  6. Sixty four identical drops of mercury comes together to form a single ...

    Text Solution

    |

  7. Surface tension of the liquid is the property by virtue of which the f...

    Text Solution

    |

  8. Every liquid surface tends to contract to a minimum surface area. This...

    Text Solution

    |

  9. Spiders and small insects move easily on the surface of water without ...

    Text Solution

    |

  10. A needle floating on the surface of water moves away on adding a drop ...

    Text Solution

    |

  11. A liquid drop always tends to have spherical shape because -

    Text Solution

    |

  12. If an oil drop is poured on water, then it will

    Text Solution

    |

  13. Surface tension in a liquid is due to

    Text Solution

    |

  14. The force of attraction between two molecules of the same substance is...

    Text Solution

    |

  15. Mercury does not wet wood, glass or iron. It indicates that its cohesi...

    Text Solution

    |

  16. The radius of sphere of influence is

    Text Solution

    |

  17. When a liquid drop is placed on a glass plate, the liquid-solid force ...

    Text Solution

    |

  18. If the cohesive force is less than the adhesive force, then the liquid...

    Text Solution

    |

  19. When the adhesive force between a liquid and glass is greater than the...

    Text Solution

    |

  20. The potential energy per unit area of the liquid surface, is called

    Text Solution

    |