Home
Class 12
PHYSICS
A molecule of a liquid which reaches the...

A molecule of a liquid which reaches the surface from interior gains energy because

A

it reaches the surface with higher speed

B

it overcomes the force of attraction between the molecules at the surface .

C

it overcomes the force of repulsion on molecules at the surface

D

gravitational potential energy in more .

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|62 Videos

  • SURFACE TENSION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|72 Videos

  • STATIONARY WAVES

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 Videos

  • WAVE MOTION

    TARGET PUBLICATION|Exercise MCQ 7.1|61 Videos

Similar Questions

Explore conceptually related problems

The molecules on the liquid surface

Which molecule of a liquid has a higher potential energy ?

A liquid molecule is brought from within to the surface layer . It gains potential energy because

Molecules on the surface of the liquid have

Molecular forces exist between the molecules of a liquid in a container. The molecules on the surface have unequal force leading to a tension on the surface. If this is not compensated by a force, the equilibrium of the liquid will be a difficult task. This leads to an excess pressure on the surface. The nature of the meniscus can inform us of the direction of the excess pressure. The angle of contact of the liquid decided by the forces between the molecules, air and container can make the angle of contact. The direction of the excess pressure in the meniscus of a liquid of angle of contact 2pi//3 is

If the surface tension of a liquid is T , the gain in surface energy for an increase in liquid surface by A is

At any given temperature , a certain number of molecules in a liquid posses sufficient kinetic energy to escape from the surface. This process is called

TARGET PUBLICATION-SURFACE TENSION -EVALUATION TEST
  1. A molecule of a liquid which reaches the surface from interior gains e...

    Text Solution

    |

  2. A drop of Volume V is pressed between the two glass plates so as to sp...

    Text Solution

    |

  3. Assertion : When two soap bubbles having different radii are kept in c...

    Text Solution

    |

  4. A capillary tube with very thin walls is attached to the beam of a bal...

    Text Solution

    |

  5. One end of a glass capillary tube with a radius r is immersed into wat...

    Text Solution

    |

  6. A capillary tube of radius r is lowered into water whose surface tensi...

    Text Solution

    |

  7. A soap bubble of radius 'r' is blown up to form a bubble of radius 2r ...

    Text Solution

    |

  8. Assertion : Pressure in bubble ( r ) in the atmosphere of pressure...

    Text Solution

    |

  9. Assertion:- Rise of water level in capillary tube should be accounted ...

    Text Solution

    |

  10. In gravity free space. The liquid in a capillary tube will rise to

    Text Solution

    |

  11. Assertion : When there is a thin layer of water between two glass pla...

    Text Solution

    |

  12. A glass capillary tube of radius r is placed vertically touching the s...

    Text Solution

    |

  13. A capillary is dipped in water vessel kept on a freely falling lift, t...

    Text Solution

    |

  14. Two spherical soap bubbles of radii r1 and r2 in vacuume coalesce unde...

    Text Solution

    |

  15. Water rises to height of 5 cm in glass capillary tube . If the area of...

    Text Solution

    |

  16. Suppose that 64 raindrops combine into a single drop . Calculate the r...

    Text Solution

    |

  17. Two separate air bubbles (radii 0.002 cm and 0.004) formed of the same...

    Text Solution

    |

  18. Two soap bubbles A and B are kept in a closed chamber where the air is...

    Text Solution

    |

  19. Two parallel glass plates are held vertically at a small separation d ...

    Text Solution

    |

  20. A glass rod of diameter d1 =1.5 mm is inserted symmetrically into a ...

    Text Solution

    |

  21. When a loop of wire is dipped in a wetting liquid and is taken out. A ...

    Text Solution

    |