Home
Class 12
PHYSICS
Two separate air bubbles (radii 0.002 cm...

Two separate air bubbles (radii `0.002 cm` and `0.004`) formed of the same liquid (surface tension `0.07 N//m`) come together to form a double bubble. Find the radius and the sense of curvature of the internal film surface common to both the bubbles.

A

`0.004` m

B

`0.04` m

C

`0.002` m

D

`0.02`m

Text Solution

Verified by Experts

The correct Answer is:
A
` R = (R_(1)R_(2))/(R_(2)-R_(1))`
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

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

  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Expression for surface tension )|39 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

Two separate air bubble (radii 0.002 cm and 0.004 ) formed of the same liqid (surface tension 0.07 N//m ) come together to form a double bubble. Find the radius and the sence of curvature of the internal film surface common to both the bubbles.

Two air bubbles are formed in water (surface tension 0.72 N/m). The bubbles come together to form a bigger bubble. What will be radius and sense of curvature of common surface of that bubble? The radii of bubbles are 0.003 m and 0.005 m.

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 air bubbles of radii 0.002 m and 0.004 m of same liquid come together to form a single bubble under isothermal condition. Find the radius of the buble formed. Given surface tension of liquid is 0.072 Nm^(-1)

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 radii a and b ( b gt a ) coalesce, the radius of curvature of common surface is :

A spherical soap bubble of radius 2 cm attached to the outside of a spherical bubble of radius 4 cm. Find the radius of curvature of the common surface.

Two soap bubbles of radii 2 cm and 5 cm coalesce under isothermal condition in vaccum, to form a bigger bubble. Find the radius of new bubble.

Two identical soap bubbles each of radius r and of the same surface tension T combine to form a new soap bubble of radius R . The two bubbles contain air at the same temperature. If the atmospheric pressure is p_(0) then find the surface tension T of the soap solution in terms of p_(0) , r and R . Assume process is isothermal.

NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Excess pressure due to surface tension )
  1. Two spherical soap bubbles of a radii 1 cm and 2 cm vacuum coalesce un...

    Text Solution

    |

  2. Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same ...

    Text Solution

    |

  3. Two separate air bubbles (radii 0.002 cm and 0.004) formed of the same...

    Text Solution

    |

  4. A soap bubble in vacuum has a radius of 3 cm and another soap bubble i...

    Text Solution

    |

  5. What is pressure due to surface tension in spherical drop of glyceri...

    Text Solution

    |

  6. A soap bubble of radius 10^(-2) m is formed . The surface tension of t...

    Text Solution

    |

  7. The ratio of excess pressure inside a soap bubble to the excess of pre...

    Text Solution

    |

  8. If the surface tension of water is 7.3 xx 10^(-2) N/m then the excess...

    Text Solution

    |

  9. Pressure inside two soap bubble are 1.02 and 1.03 atm . Then ratio of ...

    Text Solution

    |

  10. The spherical liquid bubble of diameter 4 xx 10^(-3) m has inner and ...

    Text Solution

    |

  11. Two soap bubble of radii 3 mm and 4 mm are in contact radius of curvat...

    Text Solution

    |

  12. Two soap bubbles of radii 1 mm and 2 mm merge isothermally . Then radi...

    Text Solution

    |

  13. The excess pressure inside a soap bubble of volume V is P . Then exces...

    Text Solution

    |

  14. If the volume of two soap bubbles are V and 8V bubbles is

    Text Solution

    |

  15. The volumes of three soap bubbles are in the ratio of 27:64:125. Then ...

    Text Solution

    |

  16. At 20^(@)C the radius of mercury drop is 3 mm and its surface tension...

    Text Solution

    |

  17. What would be the excess pressure in side a small air bubble of 0.2 m...

    Text Solution

    |

  18. If the surface tension of a soap water is 0.04 N/m Then excess pressur...

    Text Solution

    |

  19. The rise of a liquid due to surface tension in a narrow capillary tube...

    Text Solution

    |

  20. P is the excess pressure inside a water drop . If that drop is divided...

    Text Solution

    |