Home
Class 11
PHYSICS
Two soap bubbles of radii r(1) and r(2) ...

Two soap bubbles of radii `r_(1)` and `r_(2)` equal to 4 cm and 5 cm are touching each other over a common surface `S_(1)S_(2)` (shown in figure). Its radius will be

A

4 cm

B

20 cm

C

5 cm

D

4.5 cm

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    ERRORLESS |Exercise simple Harmonic Motion|21 Videos

  • THERMODYNAMICS

    ERRORLESS |Exercise All Questions|304 Videos

Similar Questions

Explore conceptually related problems

Two soap bubbles of radius r_(1) and r_(2) combine. Find radius of curvature of the common surface separating them.

When two soap bubbles of radius r_(1) and r_(2)(r_(2) gt r_(1)) coalesce, the radius of curvature of common surface is

Two soap bubbles of radii r_(1) and r_(2) are attached as shown. Find the radius of curvature of the common film ACB.

Two soap bubbles of radii 4cm and 6 cm are in contact with each other. What is the radius of the common boundary?

Two soap bubbles each of radius r are touching each other. The radius of curvature of the common surface will be:

Two soap bubbles of radii 2 cm and 3 cm are brought in contact. Find the radius of curvature (in cm) of the contact surface.

Two soap bubbles of radii 2 cm and 4 cm join to form a double bubble in air, then radius of. curvature of interface is

Two soap bubble of radii R_(1) and R_(2) are kept in vacuum at constant temperature, the ratio of masses of air inside them, is

Under isothermal condition two soap bubbles of radii r_(1) and r_(2) coalesce to form a single bubble of radius r. The external pressure is p_(0) . Find the surface tension of the soap in terms of the given parameters.

ERRORLESS -SURFACE TENSION-Exercise
  1. The pressure at the bottom of a tank containing a liquid does not dep...

    Text Solution

    |

  2. In capillary pressure below the curved surface of water will be

    Text Solution

    |

  3. Two soap bubbles of radii r(1) and r(2) equal to 4 cm and 5 cm are to...

    Text Solution

    |

  4. The pressure inside a small air bubble of radius 0.1mm situated just b...

    Text Solution

    |

  5. Tow soap bubbles A and B are formed at the two open ends of a tube. Th...

    Text Solution

    |

  6. If two soap bubbles of different radii are connected by a tube

    Text Solution

    |

  7. The excess pressure inside a spherical soap bubble of radius 1 cm is ...

    Text Solution

    |

  8. In Jager's method, at the time of bursting of the bubble

    Text Solution

    |

  9. The excess pressure inside a soap bubble is thrice the excess pressur...

    Text Solution

    |

  10. When two capillary tubes of different diameters are dipped vertically,...

    Text Solution

    |

  11. A liquid rises in a capillary tube when the angle of contact is:

    Text Solution

    |

  12. In the state of weightlessness, a capillary tube is dipped in water, t...

    Text Solution

    |

  13. Two parallel glass plates are dipped partly in the liquid of denstiy '...

    Text Solution

    |

  14. Water rises in a capillary tube to a certain height such that the upwa...

    Text Solution

    |

  15. It is not possible to write directly on blotting paper or newspaper w...

    Text Solution

    |

  16. Two capillary tubes P and Q are dipped in water. The height of water l...

    Text Solution

    |

  17. Two capillaries made of same material but of different radii are dippe...

    Text Solution

    |

  18. Two capillaries made of the same material with radii r(1) =1mm and r(2...

    Text Solution

    |

  19. When a capillary is dipped in water, water rises to a heig ht h . If t...

    Text Solution

    |

  20. Water rises upto 10 cm height in a long capillary tube. If this tube i...

    Text Solution

    |