Home
Class 12
PHYSICS
Twenty seven droplets of water, each of ...

Twenty seven droplets of water, each of radius 0.1 mm coalesce into a single drop. Find the change in surface energy. Surface tension of water is `0.072 N//m`.

Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    CHETANA PUBLICATION|Exercise Exercise|91 Videos
  • Magnetic Materials

    CHETANA PUBLICATION|Exercise EXERCISE|74 Videos
  • Oscillations.

    CHETANA PUBLICATION|Exercise EXERCISE|69 Videos

Similar Questions

Explore conceptually related problems

Twenty seven droplets of water , each of radius 1.1 mm coalesce into a single drop .Find the change in surface energy. Surface tension of water is 0.072 N/m.

Eight droplets of water, each of radius 0.2 mm, coalesce into a single drop . Find the change in total surface energy. (Surface tension of water = 0.072 N/m)

Eight droplets of mercury each of radius 1 mm coalesces into a single drop. Find the change in the surface energy. Surface tension of mercury is 0.465 J//m^2

Eight droplets of water each of radius 0.5 mm, when coalesce into single drop, then the change in surface energy will be,

1000 droplets of water having 2 mm diameter each coalesce to form a single drop . Given the surface tension of water is 0.072 Nm^(-1) .the energy loss in the process is

Two mercury drops each of radius r merge to form a bigger drop. Calculate the surface energy released.

A beaker of radius 10 cm is filled with water. Calculate the force of surface tension on any diametrical line on its surface. Surface tension of water is 0.075 N//m .

n droplets of equal size of radius r coalesce to form a bigger drop of radius R. The energy liberated is equal to

A drop of mercury of radius 0.2 cm is broken into 8 droplets of the same size. Find the work done if the surface tension of mercury is 435.5 dyne/cm.

CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
  1. Twenty seven droplets of water, each of radius 0.1 mm coalesce into a ...

    Text Solution

    |

  2. A needle of length 6 cm can stay afloat on water. Find weight of the n...

    Text Solution

    |

  3. Calculate the work done in blowing a soap bubble of radius 4 cm. The s...

    Text Solution

    |

  4. A square glass plate 4.5 cm long and 0.5 cm thick is suspended in a t...

    Text Solution

    |

  5. Calculate the work done in increasing the radius of a soap bubble in a...

    Text Solution

    |

  6. A liquid of density 700 kg//m^3 rises to a height of 12 mm in capillar...

    Text Solution

    |

  7. A liquid rises to height of 9 cm in a glass capillary of radius 0.02 c...

    Text Solution

    |

  8. A capillary tube of diameter 0.6 mm dipped vertically into water. It r...

    Text Solution

    |

  9. Eight droplets of mercury each of radius 1 mm coalesces into a single ...

    Text Solution

    |

  10. Calculate the work done in breaking a mercury drop of radius 1mm into ...

    Text Solution

    |

  11. Compare the amount of work done in blowing two soap bubbles of radii i...

    Text Solution

    |

  12. When glass capillary tube of radius 0.4 mm is dipped into mercury, the...

    Text Solution

    |

  13. Surface tension of water at 0^@C is 75 dyne/cm, find the surface tensi...

    Text Solution

    |

  14. Find the work done in blowing a soap bubble of radius 5cm.Surface tens...

    Text Solution

    |

  15. A capillary tube of uniform bore is dipped vertically in water which r...

    Text Solution

    |

  16. Compare the amount of work done in blowing two soap bubbles of radii i...

    Text Solution

    |

  17. A drop of mercury 2 mm in diameter breaks into a million small spheric...

    Text Solution

    |

  18. A liquid of density 800 kg//m^3 flowing steadily in a tube of varying ...

    Text Solution

    |

  19. A liquid of density 800 kg//m^3 flowing steadily in a tube of varying ...

    Text Solution

    |

  20. Water is flowing continously from a tap having a base of internal diam...

    Text Solution

    |

  21. Find the terminal velocity of a steel ball bearing of radius 0.1cm whe...

    Text Solution

    |