Home
Class 11
PHYSICS
A number of small drops of mercury adiab...

A number of small drops of mercury adiabatically coalesce to form a single drop. The temperature of the drop will

A

A. increases

B

B. remains same

C

C. decrease

D

D. may increase or decrease that will depend on size

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • OSCILLATION AND WAVES

    PATHFINDER|Exercise QUESTION BANK|300 Videos

  • ROTATIONAL MECHANICS

    PATHFINDER|Exercise QUESTION BANK|141 Videos

Similar Questions

Explore conceptually related problems

Red drop is

Two small drops of mercury, each of radius R coalesce to form a single large drop. Calculate the ratio of the total surface energies before and after the change.

n small drops of the same size of the same size are charged to V volt each. They coalesce to form a big drop. The potential of the big drop will be

Two drops of mercury, each having a radius R, coalesce to from a large drop. Determine the ratio of their surface energies before and after the change. Surface tension of mercury = T.

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

PATHFINDER-PROPERTIES OF BULK MATTER-QUESTION BANK
  1. A square wire frame of size L is dipped in a liquid. On taking out a m...

    Text Solution

    |

  2. When a pinch of salt which is soluble in water is added to water, its ...

    Text Solution

    |

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

    Text Solution

    |

  4. Two capillary tubes of radii 0.2cm and 0.4 cm are dipped in the same ...

    Text Solution

    |

  5. If we dip capillary tube in water and water rises to a height h in it...

    Text Solution

    |

  6. The rise of liquid in a capillary tube has a meniscus. If the angle of...

    Text Solution

    |

  7. What helps liquid to acquire their shape in the contact of the contain...

    Text Solution

    |

  8. A soap bubble assumes a spherica shape. Which of the following stateme...

    Text Solution

    |

  9. Two capillary tubes of same diameter are put vertically one each in tw...

    Text Solution

    |

  10. In a capillary tube expt., a vertical 30cm capillary tube is dipped in...

    Text Solution

    |

  11. Water rises upto a height h in a capillary tube of certain diameter. T...

    Text Solution

    |

  12. Which of the following statements is not correct? (i) When a liquid f...

    Text Solution

    |

  13. Which one of the following graphs correctly express the change of the ...

    Text Solution

    |

  14. Which one of the following has the unit of Jm^-2?

    Text Solution

    |

  15. What will be the effect on the angle of contact of a liquid if the tem...

    Text Solution

    |

  16. What will be the effect on the temperature if a number of small drops ...

    Text Solution

    |

  17. Why is the surface tension of all lubricating oils and paints kept low...

    Text Solution

    |

  18. S.I. unit of which physical quantity is Nm^-1?

    Text Solution

    |

  19. Write down the dimension of surface tension.

    Text Solution

    |

  20. What is the shape of the meniscus formed by mercury in a capillary tub...

    Text Solution

    |