Home
Class 12
PHYSICS
Energy needed in breaking a drop of radi...

Energy needed in breaking a drop of radius `R` into `n` drops of radii `r` is given by

A

`4pi(r^(2)n-R^(2))T`

B

`(4/3 pi r^(2)n-4/3piR^(3))T`

C

` 4 pi (R^(2) - r^(2))nT`

D

` 4 pi (4n-R^(2))TP`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Angle of contact )|25 Videos
  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Shape of liquid drop)|13 Videos
  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Surface tension )|49 Videos
  • STATIONARY WAVES

    NIKITA PUBLICATION|Exercise MCQs|396 Videos
  • WAVE MOTION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|364 Videos

Similar Questions

Explore conceptually related problems

The energy needed for breaking a drop of radius R into n drops each of radius r is

If sigma be the surface tension, the work done in breaking a big drop of radius R in n drops of equal radius is

If T is the surface tension of a liquid, the energy needed to break a liquid drop of radius R into 64 drops is :-

If T is the surface tension of a liquid, the energy needed to break a liquid drop of radius R into 64 drops is

The amount of work performed to break a spherical drop of radius 1 mm into million drops of equal radius , is

What is the change in surface energy , when a mercury drop of radius R split up into 1000 droplets of radius of r ? [ The surface tension of mercury is T ]

The surface tension of water is 7xx10^(-2) N/m . The work required to break a drop of water of radius 0.5 cm into identical drops , each of radius 1 mm is

If a drop of liquid breaks into smaller droplets, it result in lowering of temperature of the droplets. Let a drop of radius R, breaks into N small droplets each of radius r. Estimate the drop in temperature.

The ratio of work done in blowing a liquid drop to radius R and to radius 3R is

NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Surface energy and surface tension )
  1. A frame made of a metallic wire enclosing a surface area A is covered ...

    Text Solution

    |

  2. Calculate the force required to separate the glass plates of area 10^(...

    Text Solution

    |

  3. Energy needed in breaking a drop of radius R into n drops of radii r i...

    Text Solution

    |

  4. Small droplets of a liquid are usually more spherical in shape than la...

    Text Solution

    |

  5. A drop of water is broken into two droplets . The sum of which propert...

    Text Solution

    |

  6. If two drops of a liquid are merged to form a single drop, then the en...

    Text Solution

    |

  7. Molecules on the surface of the liquid have

    Text Solution

    |

  8. Detergents in hot water enable grease to be removed from the dishes by

    Text Solution

    |

  9. The work done to split a big drop into n number of identical droplets ...

    Text Solution

    |

  10. A number of small drops of mercury adiabatically coalesce to form a si...

    Text Solution

    |

  11. When salt is added to pure water , the suface tension

    Text Solution

    |

  12. When a small quantity of partially soluable impurity is added to wa...

    Text Solution

    |

  13. Soap helps in cleaning clothes, because

    Text Solution

    |

  14. If a wax coated capillary tube is dipped in water, then water in it wi...

    Text Solution

    |

  15. When two capillary tubes of different diameters are dipped vertically,...

    Text Solution

    |

  16. The work done in blowing a soap bubble of radius 0.02 cm is ,

    Text Solution

    |

  17. If work W is done in blowing a bubble of radius R from a soap solution...

    Text Solution

    |

  18. The ratio of the work done in blowing the soap bubbles of radii in the...

    Text Solution

    |

  19. The work done in blowing a soap bubble of radius 5 cm is

    Text Solution

    |

  20. The ration of the work done in blowing the soap bubbles of diameter i...

    Text Solution

    |