Home
Class 12
PHYSICS
A film of soap solution is formed in a r...

A film of soap solution is formed in a rectangular wire frame of length 8cm and width 4cm. Find the surface energy of the film if the S.T. of soap solution is 0.035 N/m.

A

`2.2 xx 10^-4 J`

B

`2.2 xx 10^-5 J`

C

`2.2 xx 10^-6 J`

D

`2.2 xx 10^-7 J`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    MBD PUBLICATION|Exercise QUESTION BANK|191 Videos

  • MECHANICAL PROPERTIES OF FLUID(FLUID IN MOTION)

    MBD PUBLICATION|Exercise QUESTION BANK|164 Videos

Similar Questions

Explore conceptually related problems

Rectangular film of soap solution having length 3cm and width 2cm is produced . Find the workdone if surface tension of soap solution is 0.04N/m.

Find the workdone in blowing soap bubble of radius 7cm. Surface tension of soap solution is 0.035N/m.

Calculate the workdone in increasing the radius of soap bubble in air from 1 cm to 2 cm. The surface tension of soap solution is 30 dyne/cm.

Find the difference in air pressure between the inside and outside of a soap bubble 5 mm in diameter , if the surface tension of soap solution be 1.6N/m .

MBD PUBLICATION-MECHANICAL PROPERTIES OF FLUID (LIQUID AT REST)-QUESTION BANK
  1. What will be the work done in blowing a soap bubble of radius 2cm, the...

    Text Solution

    |

  2. Suppose that 64 raindrops combine into a single drops. Calculate the r...

    Text Solution

    |

  3. A film of soap solution is formed in a rectangular wire frame of lengt...

    Text Solution

    |

  4. The surface tension of a liquid is 5 N/m. If a film is held on a ring ...

    Text Solution

    |

  5. A drops of water is placed between two parallel glass plates which are...

    Text Solution

    |

  6. The maximum force, in addition to the weight required to pull a wire f...

    Text Solution

    |

  7. There is a small hole in a hollow sphere. The water enters in it when ...

    Text Solution

    |

  8. A soap bubble of radius 1/sqrtpi cm is expanded to have double the rad...

    Text Solution

    |

  9. The amount of work done to form a spherical soap bubble of radius 0.05...

    Text Solution

    |

  10. A large drop of mercury of radius 1.0 mm splits into 1000 small drople...

    Text Solution

    |

  11. 125 small water droplets, each of radius, 0.1 mm come together to form...

    Text Solution

    |

  12. A boy blows a soap bubble of radius r meter. If S.T. of soap solution ...

    Text Solution

    |

  13. The surface energy of a liquid drop is 20J. It is sprayed into 1000 id...

    Text Solution

    |

  14. A soap bubble has radius r. The surface tension of the soap film is T....

    Text Solution

    |

  15. A glass plate of size 4cm xx 2.5cm is in contact with water with its f...

    Text Solution

    |

  16. A square plate of glass of each side 4cm and thickness of surface tens...

    Text Solution

    |

  17. A big drop of a liquid of radius 2 cm splits into 1000 small droplets....

    Text Solution

    |

  18. Tow spherical bubbles of radii 1cm and 2cm in vacuum coalesce under is...

    Text Solution

    |

  19. Excess pressure inside a drop of water of radius 2mm is 70 N//m^2. The...

    Text Solution

    |

  20. What is the pressure inside a small air bubble of 0.1 mm radius situat...

    Text Solution

    |