Home
Class 11
PHYSICS
Moment of inertia of a straight wire abo...

Moment of inertia of a straight wire about an axis perpendicular to the wire passing through one of its end is I.
This wire is now framed into a circle (a ring) of single turn. The moment of inertia of this ring about an axis passing through centre and perpendicular to its plane would be

A

`((3)/(pi^(2)))l`

B

`((3)/(4pi^(2)))l`

C

`((pi^(2))/(3))l`

D

`((4pi^(2))/(3))l`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    DC PANDEY|Exercise Matrix Matching Type Questions|17 Videos

  • ROTATIONAL MOTION

    DC PANDEY|Exercise Integer Type Questions|17 Videos

  • ROTATIONAL MOTION

    DC PANDEY|Exercise More than one option is correct|36 Videos

  • ROTATIONAL MECHANICS

    DC PANDEY|Exercise Subjective Questions|2 Videos

  • SEMICONDUCTORS AND ELECTRONIC DEVICES

    DC PANDEY|Exercise More than One Option is Correct|3 Videos

Similar Questions

Explore conceptually related problems

The moment of inertia of a copper disc, rotating about an axis passing through its centre and perpendicular to its plane

Derive an expression for moment of inertia of a thin circular ring about an axis passing through its centre and perpendicular to the plane of the ring.

Calculate the moment of inertia of a disc of radius R and mass M, about an axis passing through its centre and perpendicular to the plane.

Moment of inertia of a ring of mass M and radius R about an axis passing through the centre and perpendicular to the plane is

Calculate the moment of inertia of a ring of mass 2 kg and radius 50 cm about an axis passing through its centre and perpendicular to its plane

The mass of a uniform circular ring of radius 0.2m is 0.1kg . Calcuate the moment of inertia of the ring about an axis passing through its centre an perpendicular to its surface.

The moment of inertia of ring about an axis passing through its diameter is I . Then moment of inertia of that ring about an axis passing through its centre and perpendicular to its plane is

DC PANDEY-ROTATIONAL MOTION-Comprehension Type Questions
  1. An L shaped frame is free to rotate in a vertical plane about a horizo...

    Text Solution

    |

  2. An L shaped frame is free to rotate in a vertical plane about a horizo...

    Text Solution

    |

  3. Moment of inertia of a straight wire about an axis perpendicular to th...

    Text Solution

    |

  4. Moment of inertia of a straight wire about an axis perpendicular to th...

    Text Solution

    |

  5. In the given figure F=10N, R=1m, mass of the body is 2kg and moment of...

    Text Solution

    |

  6. In the given figure F=10N, R=1m, mass of the body is 2kg and moment of...

    Text Solution

    |

  7. A rod of mass m and length l in placed on a smooth table. An another ...

    Text Solution

    |

  8. A rod of mass m and length l in placed on a smooth table. An another ...

    Text Solution

    |

  9. A disc of mass m and radius R is placed over a plank of same mass m. T...

    Text Solution

    |

  10. A disc of mass m and radius R is placed over a plank of same mass m. T...

    Text Solution

    |

  11. Two rod 1 and 2 are released from rest as shown in figure . Given, l(1...

    Text Solution

    |

  12. Two rod 1 and 2 are released from rest as shown in figure . Given, l(1...

    Text Solution

    |

  13. Two rod 1 and 2 are released from rest as shown in figure . Given, l(1...

    Text Solution

    |

  14. Three massless rods are fixed to form a right angled triangular frame ...

    Text Solution

    |

  15. Three massless rods are fixed to form a right angled triangular frame ...

    Text Solution

    |

  16. Three massless rods are fixed to form a right angled triangular frame ...

    Text Solution

    |

  17. A uniform disc of mass M and radius R initially stands vertically on t...

    Text Solution

    |

  18. A uniform disc of mass M and radius R initially stands vertically on t...

    Text Solution

    |

  19. A uniform disc of mass M and radius R initially stands vertically on t...

    Text Solution

    |

  20. An engineer is designing a conveyor system for loading lay bales into ...

    Text Solution

    |