Home
Class 11
PHYSICS
The length of a metal wire is l1 when th...

The length of a metal wire is `l_1` when the tensionin it is `T_1 and is l_2` when the tension is `T_2`. The natural length of the wire is

A

`sqrt(1_(1)l_(2))`

B

`(l_(1)+l_(2))/2`

C

((l_(1)T_(2)-l_(2)T_(1)))/(T_(2)-T_(1))`

D

`(l_(1)+T_(1)l_(2))/(T_(1)+T_(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The length of a metal wire is l_(1) when the tension in it is T_(1) and is l_(2) when the tension is T_(2) . Then natural length of the wire is

The length of a metal wire is 10cm when the tension in it is 20N and 12cm when the tension is 40N . Then natural length of the wire is in cm

The length of a metal wire is l_(1) when the tension in it is F_(1) and l_(2) when the tension becomes F_(2) . Find the natural length of wire.

The length of a metal wire is l when the tension is F and x l when the tension si y F. Then the natural length of the wire is

The length of a steel wire is l_(1) when the stretching force is T_(1) and l_(2) when the stretching force is T_(2) . The natural length of the wire is

The length of a wire l_(1) when tension is 4 N and l_(2) when the tension is 5 N. Then its original length would be

The length of a rubber cord is l_(1) m when the tension is 4 N and l_(2) m when the tension is 6 N.The length when the tension is 9 N, is

When the tension in a metal wire is T_(1) , its length is I_(1) . When the tension is T_(2) , its length is I_(2) . The natural length of wire is

A spring with natural length l_0 has a tension T_1 when its length is l_1 and the tension is T_2 when its length is l_2 .The natural length of spring will be:

MOTION-SHM-WAVE,GRAVITATION,FLUID,HEAT-EXERCISE
  1. Two drops of same radius are falling through air with steady speed v. ...

    Text Solution

    |

  2. A ball of relative density 0.8 falls into water from a height of 2 m. ...

    Text Solution

    |

  3. The length of a metal wire is l1 when the tensionin it is T1 and is l2...

    Text Solution

    |

  4. A sphere contracts in volume by 0.01% when taken to the bottom of sea ...

    Text Solution

    |

  5. When a capillary tube is immersed vertically in mercury, the level of ...

    Text Solution

    |

  6. It is said that a liquid rises or is depressed in a capillary due to t...

    Text Solution

    |

  7. An air bubble of radius 1mm is formed inside water at a depth 10m belo...

    Text Solution

    |

  8. One end of a glass capillary tube with a radius r=0.05cm is immersed i...

    Text Solution

    |

  9. Expression for the height of capillary rise between two parallel plate...

    Text Solution

    |

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

    Text Solution

    |

  11. A spherical drop of liquid having surface tension T contains 9 cm^3 of...

    Text Solution

    |

  12. In the bottom of a vessel with mercury there is a round hole of diamet...

    Text Solution

    |

  13. A stationary wave is given by y = 5 sin (pi x)/( 3) cos 40 pi t whe...

    Text Solution

    |

  14. The tension of a stretched string is increased by 69%. In order to kee...

    Text Solution

    |

  15. The equation for the vibration of a string fixed at both ends vibratin...

    Text Solution

    |

  16. Two uniform strings A and B made of steel are made to vibrate under th...

    Text Solution

    |

  17. The amplitude of a wave disturbance propagating in the positive x-dire...

    Text Solution

    |

  18. Vibrating tuning fork of frequency n is placed near the open end of a ...

    Text Solution

    |

  19. Two periodic waves of intensities I1 and I2 pass through a region at t...

    Text Solution

    |

  20. The vibrations of string of length 60 cm fixed at both ends are presen...

    Text Solution

    |