Home
Class 11
PHYSICS
When a shaving brush is taken out of wat...

When a shaving brush is taken out of water its hair cling together, why?

A

Force of attraction between hair

B

Surface tension

C

Viscosity of water

D

Characteristic property of hairs

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    ERRORLESS |Exercise simple Harmonic Motion|21 Videos

  • THERMODYNAMICS

    ERRORLESS |Exercise All Questions|304 Videos

Similar Questions

Explore conceptually related problems

Why do fishes die when taken out of water ?

If a fish like Rohu is taken out of water it will soon die, because

Why cann't a fish survive out of water ?

When an Amoeba is taken from river to sea water, than

When steam condenses into water its

Bunty was fond of painting. He observed that hairs of paint brush do not cling together when dry and even when dipped in water but form a fine tip when taken out of it. He was quite surprised to see it but found it very useful for doing neat and beautiful painting. He asked his elder sister Shanti, who was a science student of class XI, that why do hairs of a paint brush cling together when taken out of water. His elder sister explained him the reason nicely. (i) What are the values displayed by Bunty here? (ii) Why do the hairs of a paint brush cling together when taken out of water?\

ERRORLESS -SURFACE TENSION-Exercise
  1. The spider and insect move and run about on the surface of water witho...

    Text Solution

    |

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

    Text Solution

    |

  3. When a shaving brush is taken out of water its hair cling together, wh...

    Text Solution

    |

  4. A square wire frame of side L is dipped in a liquid. On taking out , a...

    Text Solution

    |

  5. Water does not wet an oily glass because

    Text Solution

    |

  6. A water drop takes the shape of a sphere in a oil while the oil drop s...

    Text Solution

    |

  7. Which of the fact is not due to surface tension

    Text Solution

    |

  8. In the glass capillary tube, the shape of the surface of the liquid de...

    Text Solution

    |

  9. Force necessary to pull a circular plate of 5cm radius from water surf...

    Text Solution

    |

  10. The property of surface tension is obtained in

    Text Solution

    |

  11. The surface tension of a liquid with rise of temperature.

    Text Solution

    |

  12. If two glass plates are quite nearer to each other in water, then ther...

    Text Solution

    |

  13. On mixing the salt in water, the surface tension of water will

    Text Solution

    |

  14. The maximum force, in addition to the weight required to pull a wire o...

    Text Solution

    |

  15. Consider a liquid contained in a vessel. The liquid solid adhesive for...

    Text Solution

    |

  16. At which of the following temperatures, the value of surface tension o...

    Text Solution

    |

  17. If a glass rod is dipped in mercury and withdrawn out, the mercury doe...

    Text Solution

    |

  18. Mercury does not wet glass, wood or iron because

    Text Solution

    |

  19. Surface tension of a liquid is found to be influenced by

    Text Solution

    |

  20. When a drop of water is dropped on oil surface, then

    Text Solution

    |