Home
Class 12
PHYSICS
The Young's modulus of a rubber string 8...

The Young's modulus of a rubber string 8 cm long and density `1.5kg//m^(3)` is `5xx10^(8)N//m^(2)` is suspended on the ceiling in a room. The increase in length due to its own weight will be-

A

`9.6x10^(-5)m`

B

`9.6x10^(-11)m`

C

`9.6xx10^(-3)m`

D

`9.6m`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    MOTION|Exercise EXERCISE -2|25 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -4 (Level -II)|25 Videos

  • ELASTICITY AND THERMAL EXPANSION

    MOTION|Exercise Exercise - 4 (Level-II)|11 Videos

Similar Questions

Explore conceptually related problems

A thick rope of rubber of density 1.5 xx 10^(3) kg m^(-3) and Young's modulus 5 xx 10^(6) Nm^(-2) , 8 m in length, when hung from ceiling of a room, the increases in length due to its own weight is

The Young's modulus of a wire of length 2m and area of cross section 1 mm^(2) is 2 xx 10^(11) N//m^(2) . The work done in increasing its length by 2mm is

The length of a rod is 20 cm and area of cross-section 2 cm^(2) . The Young's modulus of the material of wire is 1.4 xx 10^(11) N//m^(2) . If the rod is compressed by 5 kg-wt along its length, then increase in the energy of the rod in joules will be

A bar of mass m and length l is hanging from point A as shown in the figure . If the Young's modulus of elasticity of the bar is Y and area of cross - section of the wire is A, then the increase in its length due to its own weight will be

Young's modulus of a rod is (AgL^2)/(2l) for which elongation is lamda due to its own weight when suspended from the ceiling. L is the length of the rod and A is constant, which is:

Youngs modulus of a string of length 1m and Density 900Kg/m^3 is 9xx10^9N/m^2 . Find the minimum reasonance frequency in (Hz) can be produced in the string if strain in the string is 4.9xx10^(-4) .

A wire of length l and radius r has a weight W and the Young's modulus of elasticity Y. it is suspended vertically from a fixed point. Calculate the increase in length of wire porduced due to its own weight.

The length of a rod is 20 cm and area of cross section 2cm^2 . The Young's modulus of the amterial of wire is 1.4xx10^11(N)/(m^2) . If the rod is compressed by 5 kg-wt along its length, then increase in the energy of the rod in joules will be

The Young's modulus of a material is 2xx10^(11)N//m^(2) and its elastic limit is 1xx10^(8) N//m^(2). For a wire of 1 m length of this material, the maximum elongation achievable is

A thick rope of density rho and length L is hung from a rigid support. The increase in length of the rope due to its own weight is ( Y is the Young's modulus)

MOTION-ELASTICITY-EXERCISE -3
  1. The Young's modulus of a rubber string 8 cm long and density 1.5kg//m^...

    Text Solution

    |

  2. The bulk of modulus of a metal is 10^(10)(N)/(m^2) and Poisson's ratio...

    Text Solution

    |

  3. For a constant hydraulic stress on an object, the fractional change in...

    Text Solution

    |

  4. When a certain weight is suspended from a long uniform wire, its lengt...

    Text Solution

    |

  5. The area of cross-section of a wire of length 1.1 meter is 1mm^(2). It...

    Text Solution

    |

  6. Two wires of same diameter of the same material having the length l an...

    Text Solution

    |

  7. On increasing the length by 0.5 mm in a steel wire of length 2 m and a...

    Text Solution

    |

  8. In CGS system, the Young's modulus of a steel wire is 2 xx 10^(12). To...

    Text Solution

    |

  9. The material which practically does not exhibit elastic after effect i...

    Text Solution

    |

  10. A force F is needed to break a copper wire having radius R. The force ...

    Text Solution

    |

  11. The ratio of the adiabatic to isothermal elasticities of a triatomic g...

    Text Solution

    |

  12. A brass rod of cross-sectional area 1cm^(2) and length 0.2 cm is compr...

    Text Solution

    |

  13. A wire of length L and radius a rigidlyl fixed at one end. On stretchi...

    Text Solution

    |

  14. In steel, the Young's modulus and the strain at the breaking point are...

    Text Solution

    |

  15. Which of the following statements is correct:

    Text Solution

    |

  16. Which one of the following substances possesses the highest elasticity...

    Text Solution

    |

  17. Two wires of the same material have lengths in the ratio 1:2 and their...

    Text Solution

    |

  18. When a weight of 10 kg is suspended from a copper wire of length 3 met...

    Text Solution

    |

  19. When a force is applied on a wire of uniform cross-sectional area 3xx1...

    Text Solution

    |

  20. A force of 10^3 newton, stretches the length of a hanging wire by 1 mi...

    Text Solution

    |