Home
Class 11
PHYSICS
One end of a horizontal thick copper wir...

One end of a horizontal thick copper wire of length 2L and radius 2R is welded to an end of another horizontal thin copper wire of length L and radius R. When the arrangement is stretched by applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is

A

0.25

B

0.5

C

2

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH SERIES|Exercise EXERCISE - 2 (STRAIN ENERGY )|16 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH SERIES|Exercise EXERCISE-3|43 Videos
  • MOTION IN A PLANE

    AAKASH SERIES|Exercise Practice Exercise|84 Videos

Similar Questions

Explore conceptually related problems

If X is a uniform wire of length L_(x) and radius R_(x) and Y is another uniform wire of same material and length L_(y) and radius R_(y) . Initial both the wires at the same temperature are given amount of heat energy.

Two wires of the same material but of lengths in the ratio 2:3 and diameters in the ratio of 3:2 are stretched with equal force. Then the ratio of elongations produced is

Two wires of same length and thickness are joined end to end. Their Young's moduli are 15 xx 10^10 pa and 20 xx 10^10pa . If the combination is stretched by a certain load, the elongations of these wires will be in the ratio

Two metallic wires A and B are connected in parallel, wire A has length L and radius r wire B has a length 2L and radius 2r. Compute the ratio of the total resistance of the parallel combination and resistance of wire A.

AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE - 3
  1. A long steel wire of length 'L' is suspended from the ceiling of a roo...

    Text Solution

    |

  2. A 2 m long rod of radius 1 cm which is fixed from one end is given a t...

    Text Solution

    |

  3. A steel wire of mass 3.16Kg is stretched to a tensile strain of 1xx10^...

    Text Solution

    |

  4. One end of a long metallic wire of length L, area of cross-section A a...

    Text Solution

    |

  5. On loading a metal wire of cross section 10^(-6) m^2 and length 2m by ...

    Text Solution

    |

  6. A uniform slender rod of length L, cross - sectional area A and young...

    Text Solution

    |

  7. A tension of 22N is applied to copper wire of crosssectional area 0.02...

    Text Solution

    |

  8. Two wires of diameter 0.25 cm, one made of steel and the other made of...

    Text Solution

    |

  9. The bar is subjected to equal and opposite forces as shown in the figu...

    Text Solution

    |

  10. Two cylinders A and B of the same materials have same length. Their ra...

    Text Solution

    |

  11. The potential energy U between the two molecules as a function of the ...

    Text Solution

    |

  12. One end of a horizontal thick copper wire of length 2L and radius 2R i...

    Text Solution

    |

  13. Force constants of two wires A and B of the same material are k and 2k...

    Text Solution

    |

  14. Two block of masses 1 kg 2 are connected by a metal wire going over a ...

    Text Solution

    |

  15. What is the density of lead under a pressure of 2 xx 10^8Nm^(-2) , if ...

    Text Solution

    |

  16. Each of three blocks shown in figure has a mass 3kg. The wire connecti...

    Text Solution

    |

  17. A tension of 20 N is applied to a copper wire of cross sectional area ...

    Text Solution

    |

  18. A uniform rectangular block of mass 50 kg is hung horizontally with th...

    Text Solution

    |

  19. A spring of force constant k is cut in to lengths of ratio 1:2:3. They...

    Text Solution

    |

  20. The bulk modules of a spherical is 'B'. If it is subjected to uniform ...

    Text Solution

    |