Home
Class 11
PHYSICS
A stress of 1kg//mm^2 is applied on a wi...

A stress of `1kg//mm^2` is applied on a wire. If the modulus of elasticity of the wire is `10^10`dyne/`cm^2`, then the percentage increase in the length of the wire will be

A

(A) `0.0098%`

B

(B) `0.98%`

C

(C) `9.8%`

D

(D) `98%`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • OSCILLATION AND WAVES

    PATHFINDER|Exercise QUESTION BANK|300 Videos

  • ROTATIONAL MECHANICS

    PATHFINDER|Exercise QUESTION BANK|141 Videos

Similar Questions

Explore conceptually related problems

The radius of a copper wire is twice that of a steel wire. One end of the copper wire is joined with one end of the steel wire and the same tensile force is applied on them . If the length of the copper wire increases by 1% , what will be the percentage increase in the length of the steel wire? Given Young's modulus of steel is twice that of copper.

An 8kg mass is suspended from one end of an iron wire of length 2 m and diameter 1mm. IF the young's modulus of iron is 2 times 10^12 dyn. cm^-2 , then what is the increase in length of the wire? [ g=980 cm.s^-2 ]

A stress of 9.8xx10^(6)N//m^(2) is applied to a wire an which young's modulus is 10^(11)N//m^(2) find the strain

When a load of 10 kg is hung from one end of a wire of length 5 m, the wire elongates by 5 mm. IF the young modulus for the material of the wire is 9.8 times 10^10 N.m^-2 , then find the area of cross section of the wire. [g=9.8 m.s^-2 ]

The Poisson's ratio of a material is 0.5. If a force is applied to a wire of this material, there is a decreases in the cross-sectional area by 4%. The percentage increase in the length is

The lengths radii and specific resistance of two conducting wires are each in the ratio of 1:3. If the resistance of the thinner wire is 10 Omega then the resistance of the other wire will be

PATHFINDER-PROPERTIES OF BULK MATTER-QUESTION BANK
  1. The Young’s modulus of the material of the wire of length L and radius...

    Text Solution

    |

  2. A copper wire and steel wire of same diameter and length are connected...

    Text Solution

    |

  3. A stress of 1kg//mm^2 is applied on a wire. If the modulus of elastici...

    Text Solution

    |

  4. Two wires A and B of same material have radii in the ratio 2 : 1 and l...

    Text Solution

    |

  5. The area of cross section of a steel wire (Y=2.0xx10^11 N//m^2) is 0.1...

    Text Solution

    |

  6. If S is stress and Y is Young’s modulus of material ofa wire the energ...

    Text Solution

    |

  7. A spring of force constant K is cut into two equal parts. The force co...

    Text Solution

    |

  8. A metal wire of length L, area of cross section A and Young's modulus ...

    Text Solution

    |

  9. An elastic spring of length L and spring constant K is stretched by a ...

    Text Solution

    |

  10. A metallic wire is suspended by attaching some weight to it. The ratio...

    Text Solution

    |

  11. Identical springs of steel and copper (Ys gt Y(cu)) are equally stretc...

    Text Solution

    |

  12. Awire of length L and cross section A is made of material of Young's m...

    Text Solution

    |

  13. K is a force constant of a spring. The work done in increasing its ext...

    Text Solution

    |

  14. Force constant of two springs are K1 and K2. If they are joined end to...

    Text Solution

    |

  15. Length and force constant of a spring are L and K respectively. When a...

    Text Solution

    |

  16. How does Young's modulus of a material change with rise In temperature...

    Text Solution

    |

  17. Which is more fundamental between stress and strain for an elastic bod...

    Text Solution

    |

  18. Two wires of same material are having same length, but one is thin and...

    Text Solution

    |

  19. On which factor the breaking stress of a wire depends?

    Text Solution

    |

  20. Does the volume of a body change under purely shearing stress?

    Text Solution

    |