Home
Class 11
PHYSICS
Two wires of same material and length bu...

Two wires of same material and length but diameter in the ratio 1:2 are stretched by the same force. The ratio of potential energy stored per unit volume for the two wires when stretched will be

A

2:1

B

4:1

C

8:1

D

16:1

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    PATHFINDER|Exercise QUESTION BANK|127 Videos

  • GRAVITATION

    PATHFINDER|Exercise QUESTION BANK|222 Videos

Similar Questions

Explore conceptually related problems

Potential energy per unit volume of a stretched wire is

Two wires of the same radius material have lengths in the ratio 1:2. If these are stretched by the same force the strain produced in the two cases will be in the ratio

A wire of initial length L and radius r is stretched by a length l. Another wire of same material but with initial length 2L and radius 2r is stretched by a length 2l. The ratio of the stored elastic energy per unit volume in the first and second wire is,

In a stretched wire, potential energy stored per unit volume = 1/2 "times_____times_____" [Fill in the blanks]

Two wires of same material have length L and L/2 and radius r and r/2 respectively. The ratio of their Young's modulus is

Two wires made of same material have equal length and radius of one of them is twice that of the other. Find the ratio of their resistances.

Two wires A and B of same material have radii in the ratio 2 : 1 and lengths in the ratio 4 : 1. The ratio of the normal forces required to produce the same change in the lengths of these two wires is

Two wires of the same length but of difference materials have diameter of 1mm and 3mm respectively.IF both of them are stretched by the same force,then the elongation of the first wire becomes thrice that of the second. Compare their Young's modull.

PATHFINDER-ELASTICITY-QUESTION BANK
  1. The length of an elastic string is a when tension is 4N and is b when ...

    Text Solution

    |

  2. A metal rod of Young's modulus 2xx10^10Nm^-2 undergoes an elastic stra...

    Text Solution

    |

  3. Two wires of same material and length but diameter in the ratio 1:2 ar...

    Text Solution

    |

  4. The area of cross-section of a wire of length 1.1m is 1mm^2 . It is lo...

    Text Solution

    |

  5. A rubber rope of length 8 m is hung from the ceiling of a room . Wh...

    Text Solution

    |

  6. The increase in length of a wire on stretching is 0.025%. If the poi...

    Text Solution

    |

  7. When a spring is stretched by 10 cm, the potential energy is E . When ...

    Text Solution

    |

  8. Choose the wrong statements

    Text Solution

    |

  9. The pressure in an explosion chamber is 345 MPs what would be the perc...

    Text Solution

    |

  10. Which of the following substances possesses the highest elasticity ?

    Text Solution

    |

  11. A wire of length L is stretched by a length l when a force F is appli...

    Text Solution

    |

  12. When a force is applied at one end of an elastic wire,it produces a st...

    Text Solution

    |

  13. A wire, suspended vertically from one end , is stretched by attaching...

    Text Solution

    |

  14. What is the ratio between the energy gained by the wire in Q.4 and the...

    Text Solution

    |

  15. The normal density of gold is rho and its bulk modulus is K . The incr...

    Text Solution

    |

  16. A wire suspended vertically stretches by 1mm. when mass of 20 kg is at...

    Text Solution

    |

  17. A wire of length L and cross sectional area A is made of a material of...

    Text Solution

    |

  18. A solid sphere of radius R and made of a material of bulk modulus K is...

    Text Solution

    |

  19. Artificial diamonds are made by subjecting graphite to a high pressure...

    Text Solution

    |

  20. The density of water at the surface of the ocean is rho . If the bulk ...

    Text Solution

    |