Home
Class 12
PHYSICS
Which of the following shows greater inc...

Which of the following shows greater increment in length when subjected to same load to wires made of same material :

A

L=1 m and r=1 mm

B

L=1 m and r=2 mm

C

L=2 m and r=1 mm

D

L=2 m and r=2 mm

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos

  • ELASTICITY

    MOTION|Exercise EXERCISE -1|27 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

On applying the load the increment in length of a wire is 1 mm. On applying the same load on another wire of same length and material, but having half the radius, the increment will be

The resistance of a wire is 10 ohm. The resistance of a wire whose length is twice and the radius is half, if it is made of same material is

If a fuse wire of certain material blows at 10 A current, then what should be the radius of the fuse wire made from same material which blows at 20 A ?

Two parallel wires A and B of same meterial are fixed to rigid support at the upper ends and subjected to same load at the lower ends. The subjeted to same load at the lower ends. The lengths of the wire are in the ration 4 : 5 and their radii are in the ratio 4 : 3 the increase in the length of wire A is 1 mm. Calculate the increase in the length of wire A is 1mm. Calculate the increase in the length of the wire B.

Two wire of same radius and lengh the are subjected to the same load. One wire is of steel and the other is of copper. If the Young's modulus of steel is twice that of copper, the ratio the energy stored per unit volume in steel to that of copper wire is

Four wires of the same material but having different lentghs and radii are subjected to same load. Which of the following combinations of length L and radius r will have the heighest elongation ?

A brass wire of length 300cm when subjected to a force F produces an elongation "a" . Another wire of twice the diameter and of same length and material, when subjeceted to the force F produces and elongation b . Then the value of a//b is

The graph in Fig. 11.8 shows the variation of elongation with tensile force for two wires P and Q. If P and Q are of the same material and have the same length, which one has a greater area of cross section ?

The ratio of frequencies of two wires having same length and same tension and made of the same material is 2:3.If the diameter of one wire be 0.09 cm , then determine the diameter of the other.

In the following diagram, the lengths of wires AB and BC are equal, but the radius of wire AB is double that of BC. The ratio of potential gradient on wires AB and on BC will be (wires are made of same material)

MOTION-ELASTICITY-EXERCISE -2
  1. The bulk modulus of rubber is 9.1xx10^(8)N//m^(2). To what depth a rub...

    Text Solution

    |

  2. On applying the load the increment in length of a wire is 1 mm. On app...

    Text Solution

    |

  3. Which of the following shows greater increment in length when subjecte...

    Text Solution

    |

  4. The isothermal bulk modulus of a gas at atmospheric pressure is

    Text Solution

    |

  5. Two rod A and B of the same material and same length have radii r(1) a...

    Text Solution

    |

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

    Text Solution

    |

  7. The compressibility of water is 4xx10^-5 per unit atmospheric pressure...

    Text Solution

    |

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

    Text Solution

    |

  9. The force constant between the restoring force F and displacement x of...

    Text Solution

    |

  10. The length of a metal wire is l(1) when the tension in it is F(1) and...

    Text Solution

    |

  11. A metal bar of length L and area of cross-section A is rigidly clamped...

    Text Solution

    |

  12. Poisson's ratio of a certain material is 0.2. If a longitudinal strain...

    Text Solution

    |

  13. A steel ring of radius r and cross section area A is fitted on to a wo...

    Text Solution

    |

  14. After suspendind a body of mass 1 kg from a wire of negligible mass, l...

    Text Solution

    |

  15. On suspending a weight Mg, the length l of elastic wire and area of cr...

    Text Solution

    |

  16. When the tension in a metal wire is T(1), its length is I(1). When the...

    Text Solution

    |

  17. When a sphere is taken to bottom of sea 1 km deep, it contracts by 0.0...

    Text Solution

    |

  18. Fig shows a bar of uniform cross section of area s. Equal and opposite...

    Text Solution

    |

  19. Fig shows a bar of uniform cross section of area s. Equal and opposite...

    Text Solution

    |

  20. Fig shows a bar of uniform cross section of area s. Equal and opposite...

    Text Solution

    |