Home
Class 12
PHYSICS
A wire fixed at the upper & stretches by...

A wire fixed at the upper & stretches by length l by applying a force F. What is the work done by stretching the wire ?

A

`F/(2l)`

B

FI

C

2FI

D

`(Fl)/2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • JEE MOCK TEST 24

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • JEE MOCK TEST 3

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

A wire fixed at the upper end stretches by length l by applying a force F. The work done in stretching is

A steel wire of 2mm in diameter is stretched by applying a force of 72N . Stress in the wire is

The force constant of a wire is K. What is the work done in increasing the length of the wire by l ?

Two wire of same material and same diameter have lengths in the ratio 2 : 5. They are stretched by same force. The ratio of work done in stretching them is

A steel wire of diameter 1 mm, and length 2 m is stretched by applying a force of 2.2 kg wt. the extension produced in the wire is

When a wire is stretched, an amount of work is done. What is the amount of work done in stretching a wire through 0.1 mm, if its lengths is 2m and area of cross-section 10^(-6)m^(2)(Y=2xx10^(11)N//m^(2))

If a wire is stretched to its length, then

When a steel wire is loaded with a weight of 3 kg , its length increases y 0.2 cm . Calculate the force constant of the wire and the work done in stretching the wire .

NTA MOCK TESTS-JEE MOCK TEST 26-PHYSICS
  1. A disc of radius R rotates with constant angular velocity omega about ...

    Text Solution

    |

  2. An ideal gas is taken through the cycle AtoBtoCtoA, as shown in the fi...

    Text Solution

    |

  3. The displacement of particle in a medium can be expressed as y=10^(-6)...

    Text Solution

    |

  4. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  5. Which one of the following represents the correct dimensions of the co...

    Text Solution

    |

  6. A particle is placed at the origin and a force F=Kx is acting on it (w...

    Text Solution

    |

  7. Three object A ,B and C are kept is a straight frictionless horizonta...

    Text Solution

    |

  8. A large tank filled with water to a height h is to be emptied through ...

    Text Solution

    |

  9. A wire fixed at the upper & stretches by length l by applying a force ...

    Text Solution

    |

  10. Which among the following has a hydrogen-like spectrum and whose lines...

    Text Solution

    |

  11. Name the electromagnetic waves used for studying crystal structure of ...

    Text Solution

    |

  12. Write down the output at X for the inputs A = 0 , B = 0 and A = 1 , B ...

    Text Solution

    |

  13. A battery is connected between two points A and B on the circumference...

    Text Solution

    |

  14. In an experiment to determine the focal length (f) of a concave mirror...

    Text Solution

    |

  15. Yellow light is used in a single slit diffraction experiment with slit...

    Text Solution

    |

  16. Two cylindrical wire A and B have the same resistance . The ratio of t...

    Text Solution

    |

  17. Earth receives 1400 W m ^-2 of solar power. If all the solar energy fa...

    Text Solution

    |

  18. Consider a pair of identical pendulums, which oscillate with equal amp...

    Text Solution

    |

  19. A metre stick is balanced on a knife edge at its centre. When two coin...

    Text Solution

    |

  20. Graviational acceleration on the surface of planet is (sqrt6)/(11)g. w...

    Text Solution

    |