Home
Class 11
PHYSICS
A wire of initial length L and area of c...

A wire of initial length L and area of cross section A, having young's modulus Y of its material, is stretched to be elongated by an amount x. Work done in stretching the wire is

A

`YAx^2/(2L)`

B

`YAx^2/(L)`

C

`YAx/(2L)`

D

`YA(2x^2)/(L)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    CHHAYA PUBLICATION|Exercise EXERCISE (Very short Answer Type Questions)|47 Videos

  • ELASTICITY

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions-I)|6 Videos

  • ELASTICITY

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS ) QUESTION|20 Videos

  • DOPPLER EFFECT IN SOUND

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|2 Videos

  • EXPANSION OF GASES

    CHHAYA PUBLICATION|Exercise CBSE Scanner|1 Videos

Similar Questions

Explore conceptually related problems

A wire of initial length L and area of cross section A has Young's modulus Y of its material. The wire is stretched by a stress 5 within its elastic limit. The stored energy density in the wire will be

A wire of length L are area of cross section A. Having young's modulus Y of its material, behaves like a spring of force constant k. the value of k will be

Awire of length L and cross section A is made of material of Young's modulus Y. It is stretched by an amount x. The work done is

A metal wire of length L, area of cross section A and Young's modulus Y behaves as a spring of spring constant K which is given by

An elastic spring of length L and of force constant k is stretched to increase its length by an amount x. The spring is further stretched to elongate it by y. The amount of work done in stretching the spring in the second case ( x and y are very small) is

CHHAYA PUBLICATION-ELASTICITY -EXERCISE (Multiple Choice Questions)
  1. The ratio of the length and diameters of two metallic wires A and B of...

    Text Solution

    |

  2. A uniform rod weights W, has length L and cross sectional area a. The ...

    Text Solution

    |

  3. Two rods of equal length and cross- sectional area have their Young's ...

    Text Solution

    |

  4. A rubber string of length 8 m is hanging vertically with one end fixed...

    Text Solution

    |

  5. Modulus of rigidity of steel is n and its Youngs's modulus is Y. A ste...

    Text Solution

    |

  6. In stretching a wire, the amount of work done per unit volume of the w...

    Text Solution

    |

  7. A stretched rubber has

    Text Solution

    |

  8. A wire of initial length L and area of cross section A has Young's mod...

    Text Solution

    |

  9. A wire of initial length L and area of cross section A, having young's...

    Text Solution

    |

  10. One end of a wire is rigidly fixed and a force of 200 N is applied at ...

    Text Solution

    |

  11. Two wires A and B are made of the same metal. Diameter of A is double ...

    Text Solution

    |

  12. A spring of force constant k is cut into two equal parts The force con...

    Text Solution

    |

  13. Force constants of two springs are k1 and k2 One end of a spring is co...

    Text Solution

    |

  14. A wire of length L are area of cross section A. Having young's modulus...

    Text Solution

    |

  15. An elastic spring of length L and of force constant k is stretched to ...

    Text Solution

    |

  16. An ideal spring with spring constant k is hung from the ceiling and a ...

    Text Solution

    |

  17. Two springs P and Q of force constant kp and kq (kQ=kP/2) are stretche...

    Text Solution

    |

  18. Before snapping a wire can bear a load of 100kg. The wire is cut into ...

    Text Solution

    |

  19. A uniform wire of length L and weight W is rigidly fixed at one end an...

    Text Solution

    |

  20. A steel ring of radius r and cross section A is fitted on to a wooden ...

    Text Solution

    |