Home
Class 11
PHYSICS
When a capillary tube is immersed vertic...

When a capillary tube is immersed vertically in mercury, the level of mercury in the capillary is observed to be depressed. This is due to –

A

Surface tension

B

Viscosity

C

Adhesive force is more cohesive force

D

Cohesive force isequal to the adhesive force

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The meniscus of mercury in the capillary tube is

The lower end of a capillary tube is immersed in mercury. The level of mercury in the tube is found to be 2 cm below the outer level. If the same tube is immersed in water, up to what height will the water rise in the capillary ?

One end fo a capillary tube of radius r is immersed verticaly in water and the mass of water rises in the capillary tube is 5 g. if one end of another capillary tube of radius 2 r is immersed vertically in water, what will be the mass of water that will rise in it ?

A capillary tube is radius 0.02 cm is dipped vertically in a beaker containing mercury . The level of mercury in the tube with respect to the mercury level in the beaker will be (Given density of mercury 13.5 g/cc ,Surface tension 540 dyne/cm and the angle of contact 135^(@) )

The lower end of a capillary tube of radius 1 mm is dipped vertically into mercury. (a) Find the depression of mercury column in the capillary. (b) If the length dipped inside is half the answer of part (a), find the angle made by the mercury surface at the end of the capillary with the vertical. Surface tension of mercury =0.465Nm^-1 and the contact angle of mercury with glass =135^@ .

When two capillary tubes of different diameters are dipped vertically in a liquid , the rise of the liquid in the capillary tube

The level of liquid in a capillary tube is plane,because

A capillary tube, made of glass is dipped into mercury. Then

If a capillary tube of radius 1 mm is immersed in water , the mass of water rising in the capillary tube is M . If the radius tube is doubled , then the mass of water , that rises in the capillary tube will be

MOTION-SHM-WAVE,GRAVITATION,FLUID,HEAT-EXERCISE
  1. The length of a metal wire is l1 when the tensionin it is T1 and is l2...

    Text Solution

    |

  2. A sphere contracts in volume by 0.01% when taken to the bottom of sea ...

    Text Solution

    |

  3. When a capillary tube is immersed vertically in mercury, the level of ...

    Text Solution

    |

  4. It is said that a liquid rises or is depressed in a capillary due to t...

    Text Solution

    |

  5. An air bubble of radius 1mm is formed inside water at a depth 10m belo...

    Text Solution

    |

  6. One end of a glass capillary tube with a radius r=0.05cm is immersed i...

    Text Solution

    |

  7. Expression for the height of capillary rise between two parallel plate...

    Text Solution

    |

  8. There is a howizontal film of soap solution. On it a thread is placed ...

    Text Solution

    |

  9. A spherical drop of liquid having surface tension T contains 9 cm^3 of...

    Text Solution

    |

  10. In the bottom of a vessel with mercury there is a round hole of diamet...

    Text Solution

    |

  11. A stationary wave is given by y = 5 sin (pi x)/( 3) cos 40 pi t whe...

    Text Solution

    |

  12. The tension of a stretched string is increased by 69%. In order to kee...

    Text Solution

    |

  13. The equation for the vibration of a string fixed at both ends vibratin...

    Text Solution

    |

  14. Two uniform strings A and B made of steel are made to vibrate under th...

    Text Solution

    |

  15. The amplitude of a wave disturbance propagating in the positive x-dire...

    Text Solution

    |

  16. Vibrating tuning fork of frequency n is placed near the open end of a ...

    Text Solution

    |

  17. Two periodic waves of intensities I1 and I2 pass through a region at t...

    Text Solution

    |

  18. The vibrations of string of length 60 cm fixed at both ends are presen...

    Text Solution

    |

  19. In the figure the intensity of waves arriving at D from two coherent s...

    Text Solution

    |

  20. x(1)=A sin (omegat-0.1x) and x(2)=A sin (omegat-0.1 x-(phi)/2) Result...

    Text Solution

    |