Home
Class 11
PHYSICS
A 10 cm long wire is placed horizontally...

A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of `2xx10^(-2)N` to keep the wire in equilibrium. The surface tension of water in `(N)/(m)` is

A

0.002

B

0.001

C

0.1

D

0.28

Text Solution

Verified by Experts

The correct Answer is:
3
`T=(F)/(2l)`
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise Level 2 (H.W)|39 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise Illustration|62 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise integer Type Questions|25 Videos

  • MATHEMATICAL REVIEW & PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|13 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

Similar Questions

Explore conceptually related problems

A 10 cm long wire is placed horizontal on the surface of water and is gently pulled up with a force of 2xx10^(-2) N to keep the wire in equilibrium. The surface tension, in Nm^(-1) of water is

A wire 10 cm long is placed horizontally on the surface of water. It is gently pulled up with a force of 1.4 xx10^(-2) N to keep It in equilibrium . The surface tension of water is

A 10 cm long wire is placed horizontally on the surface of a liquid and is gently pulled up with a force of 2xx10^(-2) N to keep the wire in equilibrium . The surface tension of the liquid in Nm^(-1) is

A straight piece of wire 4 cm long is placed horizontally on the surface of water annd is gently pulled up . It is found that a force of 560 dyne in addition to the weight of the wire is required for this purpose . Then surface tension of the water is

A wire of mass 1g is kept horizontally on the surface of water. The length of the wire that does not break the surface film is (surface tension of water is 70dynecm^-1 )

A platinum wire ring of radius 2.5 cm floats horizontally on the surface of water . A vertically force of 0.022 N is required to detach the ring from the surface of water . Then surface tension of water is

A circular loop of thin wire of radius 7 cm is lifted from the surface of a liquid . An additional force of 44 xx 10^(-2) N is required to detach the loop from the surface of the liquid . The surface tension of the liquid in N/m is

Water rises in a capillary tube of diameter 0.2xx10^(2)m upto a height of 1.5 cm. The surface tension of water is-

A 5.0 cm long straight piece of thread is kept on the surface of water. Find the force with which the surface on one side of the thread pulls it. Surface tension of water =0.076Nm^-1

A wire of length 10 cm is gently placed horizontally on the surface of water having a surface tension of 75xx10^(-3) N/m . What is the force required to pull up the wire from the surface .

NARAYNA-MECHANICAL PROPERTIES OF FLUIDS-Level 1 (H.W)
  1. Two spherical raindrops of equal size are falling vertically through a...

    Text Solution

    |

  2. The terminal velocity V of a spherical ball of lead of radius R fallin...

    Text Solution

    |

  3. A 10 cm long wire is placed horizontally on the surface of water and i...

    Text Solution

    |

  4. A drop of liquid pressed between two glass plates spreads to a circle ...

    Text Solution

    |

  5. A squre wire frame of side L is dipped in a liquid. On taking out , a ...

    Text Solution

    |

  6. The surface tension of soap solution is 0.3 (N)/(m). The work done in ...

    Text Solution

    |

  7. The work done in increasing the size film with dimensions 8cm xx3.75xm...

    Text Solution

    |

  8. The work done to get n smaller identical drops to form a big spherical...

    Text Solution

    |

  9. The work done to blow a bubble is W. The extra work to be done to doub...

    Text Solution

    |

  10. Water rises to a height fo 6 cm in a capillary tube of radius r. If th...

    Text Solution

    |

  11. When a capillary tube is immersed in ethyl alcohol whose surface tensi...

    Text Solution

    |

  12. Water rises in a capillary tube through a height l. If the tube is inc...

    Text Solution

    |

  13. A long cylinderical glass vessel has a small hole of radius r at its b...

    Text Solution

    |

  14. Water raises to a height of 10 cm in a capillary tube and mercury fall...

    Text Solution

    |

  15. A glass capillary tube of inner diameter 0.28 mm is lowered vertically...

    Text Solution

    |

  16. A capillary tube of radius r is immersed in water and water rises in t...

    Text Solution

    |

  17. The surface tension of soap solution is 0.05Nm^(-1) if the diameter of...

    Text Solution

    |

  18. The excess pressure inside a small air bubble of radius 0.05 mm in wat...

    Text Solution

    |

  19. What should be the pressure inside a small air bubble of 0.1 mm radius...

    Text Solution

    |

  20. Two soap bubbles are blown. In first soap bubble excess pressure is 4 ...

    Text Solution

    |