Home
Class 12
PHYSICS
The longitudinal extention of any elasti...

The longitudinal extention of any elastic material is very small.In order to have an appericiable change ,the material must be in the form of

A

thin block of any cross section

B

thick block of any cross section

C

logn thin wire

D

short thin wire

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    MOTION|Exercise EXERCISE -2|25 Videos
  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos
  • ELASTICITY

    MOTION|Exercise QUESTION FOR PRACTICE|3 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

Ferro magnetic materials used in transformer must have

Most plant virus have genetic material in the form of

The poisson's ratio of a material is 0.1. If the longitudinal strain of a rod of this material is 10^(-3) , then the percentage change in the volume of the rod will be

The tangential as well as radial walls of the endodermal cells have a deposition of water impermeablewaxy material suberin in the form of

In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c ) If assertion is true but reason is false. (d) If assertion and reason are false. Q. Assertion: The materials which have very small range of plastic extension are called brittle materials. Reason: if the stress is increased beyond the elastic limit, the material will break.

Suppose we have made a model of the Solar system scaled down in the ratio eta but of materials of the same mean density as the actual materials of the planets and the Sun. How will the orbital periods of revolution of planetary models change in this case?

To reduce the iron losses in a transformer, the core must be made of a material having

A: Lateral strain is directly proportional to the longitudinal strain within the elastic limit. R:Poission ratio for a given material at a constant temperature is constant.

MOTION-ELASTICITY-EXERCISE -1
  1. Two idential solid balls, one of ivory and the other of wet caly, are...

    Text Solution

    |

  2. Which of the following is not dimension less

    Text Solution

    |

  3. The longitudinal extention of any elastic material is very small.In or...

    Text Solution

    |

  4. The modulus of elasticity of a material does not depend upon

    Text Solution

    |

  5. A steel wire is stretched by 1 kg wt. If the radius of the wire is dou...

    Text Solution

    |

  6. On withdrawing the applied force on some objects, the deformity caused...

    Text Solution

    |

  7. On stretching some substances, permanent elongatiion is caused, becaus...

    Text Solution

    |

  8. Out of the following materials, whose elasticity is independent of tem...

    Text Solution

    |

  9. A cable that can support a load W is cut into two equal parts .T he ma...

    Text Solution

    |

  10. The following four wires are made of the same material. Which of these...

    Text Solution

    |

  11. The dimensional formula for compressibility is

    Text Solution

    |

  12. The potential energy of a weight less spring compressed by a distance ...

    Text Solution

    |

  13. A rod of length l and area of cross-section A is heated from 0^(@)C to...

    Text Solution

    |

  14. When a wire is stretched, an amount of work is done. What is the amoun...

    Text Solution

    |

  15. How many times is the adiabatic modulus of elasticity of gas as compar...

    Text Solution

    |

  16. An iron bar of length l cross section 'A' and young's modulus Y is pu...

    Text Solution

    |

  17. On withdraw in the external applied force on bodies within the elastic...

    Text Solution

    |

  18. Elasticity is the property which is caused by

    Text Solution

    |

  19. The effect of temperature on the value of modulus of elasticity for va...

    Text Solution

    |

  20. The number of independent elasctic constants of a solid is

    Text Solution

    |