Home
Class 11
PHYSICS
If a wire is stretched to double of its ...

If a wire is stretched to double of its original length, then the strain in the wire is

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
A
`"Strain"=("change in length")/("original length")`
`=(2l-l)/(l)=(l)/(l)=1`
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise EVALUTION TEXTBOOK QUESTIONS & ANSWERS (SHORT ANSWER QUESTIONS)|58 Videos

  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise EVALUTION TEXTBOOK QUESTIONS & ANSWERS (LONG ANSWER QUESTION )|26 Videos

  • OSCILLATIONS

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS ( CONCEPTUAL QUESTIONS.)|24 Videos

  • QUESTION PAPER MARCH 2019

    PREMIERS PUBLISHERS|Exercise Part- IV|23 Videos

Similar Questions

Explore conceptually related problems

If a wire of resistance R is stretched to twice its original length, the new resistance of the wire will be:

If resistance of a wire is r ohms and wire is streched to double its length, then what is its resistance ?

If a wire of resistance R is stretched to double its length, then the new resistance is:

A wire of resistance 4 Omega is stretched to twice its original length.The resistance of stretched wire would be

A wire of resistance R is stretched to three times its original length. The new resistance is

A uniform wire resistance 100(Omega) is melted and recast in a wire of length double that of the original . What would be the resistance of the wire?

A wire of 10 ohm resistance is stretched to thrice its original length. What will be its (i) new resistivity and (ii) new resistance?

If a wire is stretched to make it 0.1 % longer the percentage change in its resistance would be:

The resistance of a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length, its new resistance will be

PREMIERS PUBLISHERS-PROPERTIES OF MATTER-OTHER IMPORTANT QUESTION & ANSWERS (NUMERICAL PROBLEMS)
  1. If a wire is stretched to double of its original length, then the stra...

    Text Solution

    |

  2. A material breaks up under a stress of 20xx10^(5)N//m^(2). If the dens...

    Text Solution

    |

  3. Within the elastic limit, stress of brass is 3.5xx10^(10)N//m^(2). Fin...

    Text Solution

    |

  4. The radii of two rods of the same length and same material are in the ...

    Text Solution

    |

  5. The poisson's ratio for a materia is 0.1. If longitudinal strain of a ...

    Text Solution

    |

  6. Determine the poisson's ratio of the material of a wire whose volume r...

    Text Solution

    |

  7. A material has poisson's ratio 0.5. If a uniform rod of its suffers a ...

    Text Solution

    |

  8. One litre of ideal gas is compressed isothermal at 0.72 m of Hg-column...

    Text Solution

    |

  9. Two wires A and B of length l, radius r and length 2l, radius 2r havin...

    Text Solution

    |

  10. A square lead slab of side 50 cm and thickness 10.0 cm is subjected to...

    Text Solution

    |

  11. A wire of radius r stretched without tension along a straight line is ...

    Text Solution

    |

  12. Determine the poisson's ratio of the material of a wire whose volume r...

    Text Solution

    |

  13. A barometer kept an elevator accelerating upwards reads 76cm of Hg. If...

    Text Solution

    |

  14. A body of mass 6 kg is floating in a liquid with (2)/(3) of its volume...

    Text Solution

    |

  15. The excess pressure inside a soap bubble is thrice the excess pressure...

    Text Solution

    |

  16. A drum of 40 cm radius has a capacity of 440 dm^(3) of water. It cont...

    Text Solution

    |

  17. The force on a phonograph needle is 1.2 N. The point has a circular cr...

    Text Solution

    |

  18. The angle of contact of mercury with soda lime glass is 140^(@). A cap...

    Text Solution

    |

  19. The neck and bottom of a bottle are 2 cm and 10 cm in diameter respect...

    Text Solution

    |

  20. What is the pressure on a swimmer 10 m below the surface of a lake?

    Text Solution

    |

  21. How much will a body of 70 N weigh in water if it displaces 200 ml of ...

    Text Solution

    |