Home
Class 12
PHYSICS
An elastic material of Young's modulus ...

An elastic material of Young's modulus Y is subjected to a stress S. The elastic energy stored per unit volume of the material is

A

`Y(S)/(2)`

B

`S^(2)((Y)/(2))`

C

`((S^(2))/(2Y))`

D

`((S)/(2Y))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|314 Videos
  • ELECTROMAGNETIC INDUCTION

    NIKITA PUBLICATION|Exercise MCQs|431 Videos

Similar Questions

Explore conceptually related problems

An elastic material with Young's modulus Y is subjected to a tensile stress S, elastic energy stroed per unit volume of the material is

On stretching a wire, the elastic energy stored pre unit volume is

When a force is applied at one end of an elastic wire, it produce a strain E in the wire. If Y is the Young's modulus of the material of the wire, the amount of energy stored per unit volume of the wire is given by

A wire having Young's modulus 2 xx 10^(11)N//m^(2) is stretched by a force. If the energy stored per unit volume of the wire is 40 "joule"//m^(3) , then the stress produced in the wire is

The elastic enery stored in a wire of Young's modulus Y is

Young's modulus of material of the rod is 24 times 10^(10)Pa When the longitudinal strain is 0.01% then energy stored per unit volume of the rod is

Two wire of same radius and lengh the are subjected to the same load. One wire is of steel and the other is of copper. If the Young's modulus of steel is twice that of copper, the ratio the energy stored per unit volume in steel to that of copper wire is

NIKITA PUBLICATION-ELASTICITY-MCQ
  1. The strain energy per unit volume of a stretched wire is

    Text Solution

    |

  2. The backlashes error can be elliminated in Searle's experiment, by rot...

    Text Solution

    |

  3. An elastic material of Young's modulus Y is subjected to a stress S. ...

    Text Solution

    |

  4. A wire (Y=1xx10^(11)N//m) has length 1m and area 1mm^(2). The work req...

    Text Solution

    |

  5. With the data of the above problem, the strain energy per unit volume ...

    Text Solution

    |

  6. The force constant of a wire is k and that of another wire is . 2k Whe...

    Text Solution

    |

  7. A steel wire of length 5 m and area of cross-section 4 mm^(2) is stret...

    Text Solution

    |

  8. If a uniform brass wire of length 5 m and radius 10^(-3) m is extended...

    Text Solution

    |

  9. A wire extends by 'l' on the application of load 'mg'. Then the energy...

    Text Solution

    |

  10. A metallic wire is suspended by attaching some weight to it. If alpha ...

    Text Solution

    |

  11. Identical springs of stecl and copper (Y("Steel") gt Y("copper")) are ...

    Text Solution

    |

  12. The potential energy of a stretched spring is proportional to

    Text Solution

    |

  13. When wire is stretched, a work is performed on the wire, This work don...

    Text Solution

    |

  14. A long elastic spring is stretched by 2 cm and its potential energy is...

    Text Solution

    |

  15. A wire suspended vertically from one end is stretched by attaching a w...

    Text Solution

    |

  16. A uniform metal rod of 2mm^(2) area of cross section is heated from 0^...

    Text Solution

    |

  17. a long spring is stretched by 4 cm, and its potential energy is 80 J. ...

    Text Solution

    |

  18. A long wire hangs vertically with its upper end clamped, when a torque...

    Text Solution

    |

  19. K is the force constant of a spring. The work donein increasing its ex...

    Text Solution

    |

  20. If the work done in stretching a wire by 1 mm is 2J, then work necessa...

    Text Solution

    |