Home
Class 11
PHYSICS
Small drops of mercury are found to assu...

Small drops of mercury are found to assume a spherical shape. Why?

Text Solution

Verified by Experts

Small drops of mercury are found to assume a spherical shape. This is due to surface of the globule being in a state of tension tries to contract and present the smallest area of surface. For a given volume, the sphere has the minimum surface area.
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (NUMERICAL PROBLEMS)|56 Videos

  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (LONG ANSWER QUESTIONS)|20 Videos

  • OSCILLATIONS

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS ( CONCEPTUAL QUESTIONS.)|24 Videos

  • QUESTION PAPER MARCH 2019

    PREMIERS PUBLISHERS|Exercise Part- IV|23 Videos

Similar Questions

Explore conceptually related problems

A drop of oil placed on the surface of water spreads out. But a drop of water place on oil contracts to a spherical shape. Why ?

Select the correct reason for, Small droplets of a liquid are usually more spherical in shape than larger drops of the same liquid because:

A barometer is constructed with its tube having radius 1.0 mm. Assume that the surface of mercury in the tube is spherical in shape. If the atmospheric pressure is equal to 76 cm of mercury, what will be the height raised in the barometer tube? The contact angle of mercury with glass 135^@ and surface tension of mercury =0.466Nm^-1 . Density of mercury =13600kgm^-3 .

The ratio of volumes of nuclei ( assumed to be in spherical shape ) with respective mass numbers 8 and 64 is

PREMIERS PUBLISHERS-PROPERTIES OF MATTER-OTHER IMPORTANT QUESTION & ANSWERS (CONCEPTUAL QUESTIONS)
  1. Out of friction force and viscous force which depends upon velocity.

    Text Solution

    |

  2. What will be the velocity of water when it passes from narrow tube to ...

    Text Solution

    |

  3. Two identical solid balls, one of ivory and the other of wet-clay, are...

    Text Solution

    |

  4. Why aeroplanes and cars have streamline shape?

    Text Solution

    |

  5. How do insects run on the surface of water?

    Text Solution

    |

  6. Why hot water is preferred to cold water for washing clothes?

    Text Solution

    |

  7. Why the blood pressure in humans is greater at the feet than at the br...

    Text Solution

    |

  8. A person standing near a speeding train has a danger of falling toward...

    Text Solution

    |

  9. Why a small bubble rises slowly through a liquid whereas the bigger bu...

    Text Solution

    |

  10. Mercury does not wet the glass. Why?

    Text Solution

    |

  11. A needle floats in clean water, but sinks in soap solution. Why?

    Text Solution

    |

  12. A piece of chalk when immersed in water emits bubbles. Why?

    Text Solution

    |

  13. Small bits of camphor dance about in clear water but not on one contam...

    Text Solution

    |

  14. Oil calms the stormy waves on the sea. Why?

    Text Solution

    |

  15. Why is sand drier than clay?

    Text Solution

    |

  16. Two streamlines cannot cross each other. Why ?

    Text Solution

    |

  17. Why is the tip of the nib of a pen split?

    Text Solution

    |

  18. Why tiny drops of fog act as rigid bodies?

    Text Solution

    |

  19. Small drops of mercury are found to assume a spherical shape. Why?

    Text Solution

    |

  20. Why does a stone sink when placed on the surface of water?

    Text Solution

    |