Home
Class 11
PHYSICS
There is a howizontal film of soap solut...

There is a howizontal film of soap solution. On it a thread is placed in the form of a loop. The film is pierced inside the loop and the thread becomes a circular loop of radius `R`. If the surface tension of the loop be `T`, then what will be the tension in the thread?

A

`pi R^(2)T`

B

`2RT`

C

`RT`

D

`(pi R^(2))/(T)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    DC PANDEY|Exercise More than one option is correct|21 Videos
  • PROPERTIES OF MATTER

    DC PANDEY|Exercise Comprehension|32 Videos
  • PROPERTIES OF MATTER

    DC PANDEY|Exercise Integer|8 Videos
  • PROJECTILE MOTION

    DC PANDEY|Exercise Level - 2 Subjective|10 Videos
  • RAY OPTICS

    DC PANDEY|Exercise Integer type q.|15 Videos

Similar Questions

Explore conceptually related problems

There is a horizontal film of soap solution. On it a thread is placed in the form of a loop. The film is punctured inside the loop and the thread becomes a circular loop of radius R . If the surface tension of the soap solution be T , then the tension in the thread will be :

Considering magnetic field along the axis of a circular loop of radius R , at what distance from the centre of the loop is the field one eighth of its value at the centre ?

What will be magnetic field at centre of current carrying circular loop of radius R?

A massless inextensible string in the form of a loop is placed on a horizontal film of soap solution of surface tension T. If film is pierced inside the loop and it convert into a circular loop of diameter d, then the tension produced in string is

A wire forming a loop is dipped into soap solution and taken out so that a film of soap solution is formed. A loop of 6.28 cm long thread is gently put on the film and the film is pricked with a needle inside the loop. The thread loop takes the shape of a circle. Find the tension in the thread. Surface tension of soap solution =0.030Nm^-1 .

The magnetic field at the centre of a circular loop of radius 12.3 cm is 6.4 xx 10^(-6) T. What will be the magnetic moment of the loop?

Magnetic induction produced at the center of a circular loop of radius R carrying a current is 'B' The magnetic moment of the loop is

Excess pressure inside a soap bubble of radius r and surface tension T is

DC PANDEY-PROPERTIES OF MATTER-JEE Advanced
  1. A solid ball of density rho(1) and radius r falls vertically through a...

    Text Solution

    |

  2. A small steel ball falls through a syrup at a constant speed of 10cms^...

    Text Solution

    |

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

    Text Solution

    |

  4. A drop of water of mass m and density rho is placed between two weill ...

    Text Solution

    |

  5. What is the height to which a liquid rises between two long parallel p...

    Text Solution

    |

  6. A small block of wood of specific gravity 0.5 is subnerged at a depth ...

    Text Solution

    |

  7. A uniform rod of length 2.0 m specific gravity 0.5 and mass 2 kg is hi...

    Text Solution

    |

  8. A cubical block of wood of edge a and density rho floats in water of d...

    Text Solution

    |

  9. The opening near the bottom of the vessel shown in the figure has an a...

    Text Solution

    |

  10. When at rest, a liquid stands at the same level in the tubes shown in ...

    Text Solution

    |

  11. A glass tube 80 cm long and open ends is half immersed in mercury. The...

    Text Solution

    |

  12. A small hole is made at the bottom of a symmetrical jar as shown in fi...

    Text Solution

    |

  13. There are two identical small holes of area of cross section a on the ...

    Text Solution

    |

  14. Equal volume of two immiscible liquids of densities rho and 2rho are f...

    Text Solution

    |

  15. Two spheres of volume 250 cc each but of relative densities 0.8 an d 1...

    Text Solution

    |

  16. A tube 1 cm^2 in cross- section is attached to the top of a vessel 1 c...

    Text Solution

    |

  17. In the arrangement shown in the figure (m(A))/(m(B))=(2)/(3) and the r...

    Text Solution

    |

  18. A uniform elastic plank moves due to a constant force F(0) applied at...

    Text Solution

    |

  19. if rho is the density of the meterial of a wire and sigma is the break...

    Text Solution

    |

  20. If the ratio of lengths, radii and Young's moduli of steel and brass w...

    Text Solution

    |