Home
Class 12
PHYSICS
A U-shaped wire is dipped in a soap solu...

A U-shaped wire is dipped in a soap solution, and removed. A thin soap film formed between the wire and a light slider supports a weight of `1.5xx10^(-2)N` (which includes the small weigh of the slider). The length of the slider is 30cm. What is the surface tension of the film?

A

`2 xx 10^(-2)` N/m,

B

`2.5 xx 10^(-2)` N/m

C

`3xx 10^(-2)` N/m

D

`3.5 xx 10^(-2)` N/m

Text Solution

Verified by Experts

The correct Answer is:
B
`T = F//2l`
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Excess pressure due to surface tension )|64 Videos

  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Question Given in MHT-CET )|31 Videos

  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Capillarity and capillary action )|32 Videos

  • STATIONARY WAVES

    NIKITA PUBLICATION|Exercise MCQs|396 Videos

  • WAVE MOTION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|364 Videos

Similar Questions

Explore conceptually related problems

A thin liquid film formed between a U-shaped wire and a light slider supports a weight of 1.5xx10^-2N (see figure). The length of the slider is 30cm and its weight negligible. The surface tension of the liquid film is

A thin liquid film formed between a U- shaped wire and a light slider supports a weight of 1.5 xx 10^(-2)N (see figure). The length of the slider is 30 cm and its weight neligible. The surfaces tension of the liquid film is :

The surface tension of a thin liquid film formed between a U shaped wire and a light slider of length 30 cm supporing a weight of 1.5xx10^(-2)N is

A wire is bent in the form of a U -shape and a slider of negligible mass is connecting the two vertical sides of the U-shape. This arrangement is dipped in a soap solution and lifted a thin soap film is formed in t he frame it supports a wegith of 2.0xx10^(-2) if the length of the slider is 40 cm whta is the surface tension of the film?

A thin film of liquid is formed in a rectangular frame of wire and a light slider supports a weight of (2.5 * 10^-2)N .The length of slider is 20cm and its weight negligible. The surface tension is liquid is

A thin soap film is formed on a U shaped wire loop having a slider (of negliglibe mass) of length 10 cm. it is found that the film can support a weight of 0.012 N, before it breaks. What is the surface tension of the film ?

If 72 xx 10^(-5) J of work is done to increase the radius of a soap bubble from 2 cm to 3 cm. What is the surface tension of the soap solution?

Fig, shown a thin film supporting a small weight = 4.5xx10^(-2)N . What is the weight supported by a film of the same liquid at the same temperature in fig. explain your answer physically. .

NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Expression for surface tension )
  1. Water rises to a height of 10 cm in a capillary tube and mercury falls...

    Text Solution

    |

  2. A capillary tube of radius R is immersed in water and water rises in i...

    Text Solution

    |

  3. A U-shaped wire is dipped in a soap solution, and removed. A thin soap...

    Text Solution

    |

  4. If a capillary tube of radius 2 xx 10^(-4) m is is dipped vertically...

    Text Solution

    |

  5. Pure water rises in a capillary tube upto a height of 8 cm . If surfa...

    Text Solution

    |

  6. A capillary tube of internal radius 2 xx 10^(-3) m immersed vertic...

    Text Solution

    |

  7. The capillary rises are found to be in the ration of 3:2 when two cap...

    Text Solution

    |

  8. A narrow capillary tube when dipped in beaker containing water, the ri...

    Text Solution

    |

  9. The U-tabe with limbs of diameters 5 mm and 2 mm contains water of sur...

    Text Solution

    |

  10. Water rises to a height of 2 cm in a capillary tube . If its diameter ...

    Text Solution

    |

  11. Surface tension of water is 0.07 N/m . The weight of water supported ...

    Text Solution

    |

  12. If a capillary tube is 45^(@) and 60^(@) from the vertical then the ra...

    Text Solution

    |

  13. Alcohol of density 8 xx 10^(4) kg//m^(3) and surface tension 22 xx 1...

    Text Solution

    |

  14. When water rises in a capillary tube of radius r to height h, then its...

    Text Solution

    |

  15. Water rises to a height h in a capillary tube when dipped vartically ...

    Text Solution

    |

  16. Liquid drops are falling slowly one after the other from a vertical ca...

    Text Solution

    |

  17. A capillary tube is placed vertically inside the beaker of water of s...

    Text Solution

    |

  18. Water rises to a height of 10cm in a glass capillary tube. If the area...

    Text Solution

    |

  19. 1000 small drops of water each of radius 'r' are joined together to f...

    Text Solution

    |

  20. Two capillary tubes of diameters 1 mm and 2 mm are dipped in water . T...

    Text Solution

    |