Home
Class 12
PHYSICS
A ring of mass 10 kg and diameter 0.4m i...

A ring of mass 10 kg and diameter 0.4m is rotated about an axis passing through its centre and perpendicular to its plane moment of inertia of the ring is

A

`1.4kg m^(2)`

B

`2.4kg m^(2)`

C

`0.4kg m^(2)`

D

`2kg m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C

`I = mR^(2)`
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER - MH-CET 2018

    NIKITA PUBLICATION|Exercise MCQ|50 Videos
  • SEMICONDUCTORS

    NIKITA PUBLICATION|Exercise MCQS|350 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

What is the moment of inertia of a ring of mass 2kg and radius 50 cm about an axis passing through its centre and perpendicular to its plane ? Also find the moment of inertia about a parallel axis through its edge.

The moment of inertia of a then circular disc about an axis passing through its centre and perpendicular to its plane is I . Then, the moment of inertia of the disc about an axis parallel to its diameter and touching the edge of the rim is

The moment of inertia of a uniform ring about an axis passing through its centre and perpendicular to its plane is 100kgm^(2) . What is the moment of inertia of the ring about its diameter ?

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 I. What is the moment of inertia about its diameter ?

A ring of mass 10kg and diameter 0.4m is rotated about an axis passing through its centre. If it makes 1800 revolutions per minute then , the angular momentum of the ring is

A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane with angular velocity omega . Its kinetic energy is

A disc of radius 10 cm can rotate about an axis passing through its centre and perpendicular to its plane. A force of 10 N is applied along the tangent in the plane of the disc. If the moment of inertia of the disc about its centre is 5 kg m^(2) , then the increase in the angular velocity of the disc in 10 s will be

NIKITA PUBLICATION-ROTATIONAL MOTION -MULTIPLE CHOICE QUESTIONS
  1. A uniform ring rolls on a horizontal surface with out slipping. Its ce...

    Text Solution

    |

  2. Two loops P and Q are made from a uniform wire. The redii of P and Q a...

    Text Solution

    |

  3. A ring of mass 10 kg and diameter 0.4m is rotated about an axis passin...

    Text Solution

    |

  4. The moment of inertia of a thin square plate ABCD of uniform thickness...

    Text Solution

    |

  5. Four rings each of mass M and radius R are arranged as shown in the fi...

    Text Solution

    |

  6. Moment of inertia of a ring of mass m = 3 gm and radius r = 1 cm about...

    Text Solution

    |

  7. A cylinder of 500 g and radius 10 cm has moment of inertia about an ax...

    Text Solution

    |

  8. Three point masses m(1), m(2) and m(3) are located at the vertices of ...

    Text Solution

    |

  9. Three point masses each of mass m are placed at the corners of an equi...

    Text Solution

    |

  10. Three rods each of length L and mass M are placed along X, Y and Z axi...

    Text Solution

    |

  11. Two rings of same radius and mass are placed such that their centres a...

    Text Solution

    |

  12. Two circular iron discs are of the same thickness. The diameter of A i...

    Text Solution

    |

  13. the flywheel is so constructed that the entire mass of it is concentra...

    Text Solution

    |

  14. Four spheres of diameter 2a and mass M are placed with their centres o...

    Text Solution

    |

  15. Two discs have same mass and thickness. Their materials are of densiti...

    Text Solution

    |

  16. A wheel has moment of inertia 5 xx 10^(-3) kg m^(2) and is making 20 "...

    Text Solution

    |

  17. If all of a sudden the radius of the earth decreases, then

    Text Solution

    |

  18. The moment of inertia of a thin circular disc of mass M and radius R a...

    Text Solution

    |

  19. A body of moment of inertia of 3kgm^(2) rotating with an angular veloc...

    Text Solution

    |

  20. The radius of gyration of a disc of mass 100 g and radius 5 cm about a...

    Text Solution

    |