Home
Class 12
PHYSICS
M.I. of a thin uniform circular disc abo...

M.I. of a thin uniform circular disc about one of the diameters is I. Its M.I. about an axis perpendicular to the plane of disc and passing through its centre is

A

`sqrt2 I`

B

2I

C

I/2

D

I/4

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2019

    TARGET PUBLICATION|Exercise MCQ|45 Videos
  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

Similar Questions

Explore conceptually related problems

The M.L. of a uniform disc about the diameter is 1. Its M.I. about an axis perpendicular to its plane and passing through a point on its rim is

The M.I. of a uniform disc about a diameter is I. Its M.I. about an axis perpendiçular to its plane and passing through a point on its rim is

Moment of inertia of a uniform circular disc about a diameter is I . Its moment of inertia about an axis perpendicular to its plane and passing through a point on its rim will be.

The M.I. of a uniform semicircular disc of mass M and radius R about a line perpendicular to the plane of the disc and passing through the centre is

Moment of inertia (M.I.) of four bodies, having same mass and radius, are reported as , I_1 = M.I. of thin circular ring about its diameter. I_2 = M.I. of circular disc about an axis perpendicular to the disc and going through the centre, I_3 = M.I. of solid cylinder about its axis and I_4 = M.I. of solid sphere about its diameter. Then :

A rectangular piece of dimension lxxb is cut out of central portion of a uniform circular disc of mass m and radius r. The moment of inertia of the remaining piece about an axis perpendicular to the plane of the disc and passing through its centre is :

Two thin discs each of mass M and radius r metre are attached to form a rigid body as shown in figure. The rotational inertia of this body about an axis perpendicular to the plane of disc B and passing through its centre is

Two thin discs each of mass M and radius r are attached as shown in figure, to from a rigid body. The rotational inertia of this body about an axis perpendicular to the plane of disc B and passing through its centre is : .

The moment of inertia of uniform circular disc about an axis passing through its centre is 6kgm^(2) . Its M.I. about an axis perpendicular to its plane and just touching the rim will be

The moment of inertia of a solid sphere of radius R about an axis passing through its diameter is I. The sphere is melted and recast into a circular disc of thickness frac{R}{3} . The moment of inertia of this disc about an axis perpendicular to plane and passing through its centre of mass is

TARGET PUBLICATION-ROTATIONAL MOTION -MCQ
  1. State and prove theorem of perpendicular axes.

    Text Solution

    |

  2. State and prove theorem of parallel axes.

    Text Solution

    |

  3. M.I. of a thin uniform circular disc about one of the diameters is I. ...

    Text Solution

    |

  4. The moment of inertia of a circular loop of radius R, at a distance of...

    Text Solution

    |

  5. A solid cylinder of mass M and radius R rolls without slipping on a fl...

    Text Solution

    |

  6. The moment of inertia of a cylinder of radius R, length L and mass M a...

    Text Solution

    |

  7. Three uniform thin rods, each of mass 1 kg and length sqrt3\ m, are pl...

    Text Solution

    |

  8. Two spheres of equal masses, one of which is a thin spheical shelll an...

    Text Solution

    |

  9. Angular momentum of a body is the product of

    Text Solution

    |

  10. Direction of angular momentum of rotating body in vertical plane is

    Text Solution

    |

  11. The relation between the torque tau and angular momentum L of a body o...

    Text Solution

    |

  12. Write SI unit of angular momentum:

    Text Solution

    |

  13. A constant torque acting on a uniform circular wheel changes its angul...

    Text Solution

    |

  14. A uniform stick of length l and mass m lies on a smooth table. It rota...

    Text Solution

    |

  15. The moment of inertia of a uniform circular disc of mass M and radius ...

    Text Solution

    |

  16. The moment of inertia of a body about a given axis is 3.6" kg m"^(2). ...

    Text Solution

    |

  17. Three bodies, a ring, a soild cylinder and a soild sphere roll down th...

    Text Solution

    |

  18. Assertion: A disc rolls without slipping on a horizontal surface and t...

    Text Solution

    |

  19. The diameter of a flywheel is increased by 1% keeping the mass same. I...

    Text Solution

    |

  20. Moment of inertia of the earth about an axis passing through its centr...

    Text Solution

    |