Home
Class 12
PHYSICS
Several spherical drops of liquid of rad...

Several spherical drops of liquid of radius r, each coalesce to form a single drop of radius R. If T is the surface tension and V is volume under consideration, What is rise in energy?

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 water drop of radius R is split into n smaller drops each of radius r. IF T is the surface tension of water, then what the work done in this process.

Capacity (c ) of a spherical charged oil drop of radius R is

MBD PUBLICATION-MECHANICAL PROPERTIES OF FLUID (LIQUID AT REST)-QUESTION BANK
  1. Two soap bubbles of Radius R and r coalesce such that R>r. What is the...

    Text Solution

    |

  2. The excess pressure inside one soap bubble is three times that of insi...

    Text Solution

    |

  3. Several spherical drops of liquid of radius r, each coalesce to form a...

    Text Solution

    |

  4. A drop of water in volume 0.05cc is pressed between two glass plates s...

    Text Solution

    |

  5. A soap bubble of radius 'a' is blown so that it's diameter is doubled....

    Text Solution

    |

  6. Why rain drops, due drops and water drops on leaves are spherical?

    Text Solution

    |

  7. Why insects are able to walk on the surface of water?

    Text Solution

    |

  8. What are the applications of surface tension?

    Text Solution

    |

  9. On what fators angle of contact depends?

    Text Solution

    |

  10. Why the angle of contact is zero, less than 90^@, equal to 90^@ and gr...

    Text Solution

    |

  11. What are the factors affecting surface tension?

    Text Solution

    |

  12. A tube of insufficient length is dipped in a liquid, does the liquid o...

    Text Solution

    |

  13. In what way capillarity helps?

    Text Solution

    |

  14. Why liquid drops in contact coalesce and form a single drop?

    Text Solution

    |

  15. Explain cleaning action of detergent ?

    Text Solution

    |

  16. Explain pressure difference across the surface of a film?

    Text Solution

    |

  17. Why oil spreads the surface of water?

    Text Solution

    |

  18. Explain jurin's law in flow of liquid in capillary tube?

    Text Solution

    |

  19. What are drawbacks of the capillary rise method?

    Text Solution

    |

  20. Why farmers plough their fields in summer?

    Text Solution

    |