Home
Class 12
PHYSICS
From a circular disc of mass M and radiu...

From a circular disc of mass `M` and radius `R`, a part of `60^(@)` is removed. The `M.I.` of the remaining portion of disc about an axis passing through the center and perpendicular to plane of disc is

A

`(MR^(2))/(12)`

B

`(5)/(12)MR^(2)`

C

`(MR^(2))/(2)`

D

`(MR^(2))/(6)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - B) Objective Type Questions (One option is correct)|60 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - C) Objective Type Questions (More than one option are correct)|29 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Illustration|4 Videos
  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-D (Assertion and reason))|5 Videos
  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|21 Videos

Similar Questions

Explore conceptually related problems

Radius of gyration of a uniform circular disc about an axis passing through its centre of gravity and perpendicular to its plane is

Derive an expression for the MI. of a disc, (i) about an axis passing through its centre and perpendicular to its plane. (ii) about its diameter.

A uniform semi-circular disc of mass m and radius r is suspended as shown in the figure. If T is the time period of small osciallations about an axis passing through point of supension and perpendicular to plane of disk. Then T is equal to

From a disc of mass 2kg and radius 4m a small disc of radius 1 m with center O' is extracted . The new moment of inertia,about an axis passing through O perpendicular to plane of disc is

A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity omega . Another disc of same dimensions but of mass (1)/(4) M is placed gently on the first disc co-axially. The angular velocity of the system is

If a circular concentric hole is made on a disc then about an axis passing through the centre of the disc and perpendicular to its plane

Four particles each of mass M are lying symmetrically on the rim of a disc of mass 6 M and radius R. Moment of inertia of this system about an axis passing through one of the particles and prependicular to plane of disc is

A uniform disc of radius R is pivoted at point O on its circumstances. The time period of small oscillations about an axis passing through O and perpendicular to plane of disc will be

From a circular disc of radius R and mass 9 M , a small disc of radius R/3 is removed from the disc. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through O is

From a circular disc of radius R and mass 9M, a small disc of radius R/3 is removed as shown in figure. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through O is

AAKASH INSTITUTE ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - A) Objective Type Questions (One option is correct)
  1. The moment of inertia of a thing uniform rod of length L and mass M, a...

    Text Solution

    |

  2. Two bodies with moment of inertia l(1) and l(2) (l(1) gt l(2)) have eq...

    Text Solution

    |

  3. From a circular disc of mass M and radius R, a part of 60^(@) is remov...

    Text Solution

    |

  4. A body is rolling without slipping on a horizontal plane. The rotation...

    Text Solution

    |

  5. The angular velocity of a body is vecomega=3hati+5hatj+6hatk("radian"/...

    Text Solution

    |

  6. When a solid cylinder rolls without slipping the ratio of kinetic ener...

    Text Solution

    |

  7. The torque required to stop a wheel having moment of inertia 5xx10^(-3...

    Text Solution

    |

  8. The position vector of a point is (3hati-2hatj+6hatk)m. The i^(th) com...

    Text Solution

    |

  9. A particle performing uniform circular motion gas angular momentum L. ...

    Text Solution

    |

  10. A thin wire of length l and mass m is bent in the form of a semicircle...

    Text Solution

    |

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

    Text Solution

    |

  12. Which of the following is correct ? (symbols have their ususal meaning...

    Text Solution

    |

  13. A dancer on ice spins faster when she folds her arms due to

    Text Solution

    |

  14. A solid sphere of radius r and mass m rotates about an axis passing th...

    Text Solution

    |

  15. The moment of inertia of a solid cylinder of density rho, radius of ba...

    Text Solution

    |

  16. A person sitting firmly over a rotating stool has his arms stretched. ...

    Text Solution

    |

  17. Radius of gyration has the unit

    Text Solution

    |

  18. A bomb at rest explodes. The centre of mass

    Text Solution

    |

  19. If vecA*vecB=|vecAxxvecB|. Then angle between vecA and vecB is

    Text Solution

    |

  20. Write SI unit of angular momentum:

    Text Solution

    |