Home
Class 11
PHYSICS
One end of uniform wire of length L and ...

One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight N is suspended from its lower end if s is the area of cross-section of the wire the stress in the wire at a height `(L)/(4)` from its lower end is

A

`(W_(1))/(s)`

B

`([W_(1)+(W)/(4)])/(s)`

C

`([W_(1)+(3W)/(4)])/(s)`

D

`(W_(1)+W)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN |Exercise Exercise 3 (Assertion & Reason)|32 Videos

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN |Exercise Exercise 3 (Comprehension based questions)|23 Videos

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN |Exercise Exercise 1 (Fluid Statics)|40 Videos

  • CENTRE OF MASS

    ALLEN |Exercise EXERCISE-V B|19 Videos

  • ERROR AND MEASUREMENT

    ALLEN |Exercise Part-2(Exercise-2)(B)|22 Videos

Similar Questions

Explore conceptually related problems

A weight is suspended from a long metal wire. If the wire suddenly breaks, its temperature

A wire is suspended from the ceiling and stretched under the action of a weight F suspended from its other end. The force exerted by the ceiling on it is equal and opposite to the weight.

A uniform rope of length L is pulled by a constant force F. What is the tension in the rope at a distance l from the end where it is applied?

Weight is suspended to the end of elastic spring its increaed length depends upon what ?

A wire suspended vertically from one of itsends is strached by attached a weight of 200 N to the lower end . The weight streches the wire by 1 mm . Then the elastic energy stored in the wire is

The Young's modulus of steel is twice that of brass. Two wires of same length and of same area of cross section, one of steel and another of brass are suspended from the same roof. If we want the lower ends of the wires to be at the same level, then the weights added to the steel and brass wires must be in the ratio of:

The graph shown the extension of is wire of length 1 m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross sectional area of the wire is 1 mm^(2) , then the Young's modulus of the material of the wire. ltimg src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/ALN_RACE_R64_E01_001_Q01.png" width="80%"gt

A uniform wire of length l is bent into the shape of 'V' as shown. The distance of its centre of mass from the vertex A is :-

SHO of periodic time 2 second starts its oscillation from the lower end of its path of motion, its phase will be……….at time 2 second.

A wire of length L and radius r is clamped rigidly at one end. When the other end of the wire is pulled by a force f its length increases by l. Another wire of the same material of length 2L and radius 2r is pulled by a force 2f. Then find the increase in length of this wire.

ALLEN -ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 2 (One or more than one correct answer)
  1. One end of uniform wire of length L and of weight W is attached rigidl...

    Text Solution

    |

  2. A steel wire of 1.5 m long and of radius 1 mm is attached with a load ...

    Text Solution

    |

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

    Text Solution

    |

  4. One end of a long metallic wire of length (L) is tied to the ceiling. ...

    Text Solution

    |

  5. In Young's slit experiment, if the distance between two slits is halve...

    Text Solution

    |

  6. Find out the elongation in block. If mass area of cross-section and yo...

    Text Solution

    |

  7. A steel rod of cross-sectional area 16 cm^(2) and two brass rods each ...

    Text Solution

    |

  8. The figure shows a soap film in which a closed elastic thread is lying...

    Text Solution

    |

  9. Water rises in a capillary tube to a certain height such that the upwa...

    Text Solution

    |

  10. In a U-tube diamter of two limbs are 0.5 cm and 1 cm respectively and ...

    Text Solution

    |

  11. When water rises in a capillary tube of radius r to height h, then its...

    Text Solution

    |

  12. There are two thin films A of liquid and B of polythene, identical in ...

    Text Solution

    |

  13. A capillary of the shape as shown is dipped in a liquid. Contact angle...

    Text Solution

    |

  14. The spring balance A reads 2 kg with a block m suspended from it. A ba...

    Text Solution

    |

  15. A steel ball is floating in a trough of mercuty. If we fill the empty ...

    Text Solution

    |

  16. A ballong filled with air is weighted so that it barely floats in wate...

    Text Solution

    |

  17. A small bulb is placed at the bottom of a tank containing water to a d...

    Text Solution

    |

  18. A solid uniform ball having volume V and density rho floats at the int...

    Text Solution

    |

  19. A sperical ball of radius r and relative density 0.5 is floating in eq...

    Text Solution

    |

  20. Three blocks, labeled A, B and C are floating in water as shown in the...

    Text Solution

    |