Home
Class 12
PHYSICS
Two bodies having moments of inertia I(1...

Two bodies having moments of inertia `I_(1) and I_2 (I_(1) gt I_(2))` have same angular momentum. If `E_(1) and E_(2)` are their rotational kinetic energies,

A

`E_(1) lt E_(2)`

B

`E_(1) gt E_(2)`

C

`E_(1)=E_(2)`

D

`E_(1) ge E_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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

Two bodies with moment of inertia l_(1) and l_(2) (l_(1) gt l_(2)) have equal angular momentum. If E_(1) and E_(2) are the rotational kinetic energies, then

Two bodies with moment of inertia I_1 and I_2 (I_2 gt I_1) are rotating with same angular momentum. If K_1 and K_2 are their K.E.s, then

Two bodies with moment of inertia I_1 and I_2 (I_1 gt I_2) have equal angular momenta. If their kinetic energy of rotation are E_1 and E_2 respectively, then.

Two rotating bodies A and B of masses m and 2m with moments of inertia I_(A) and I_(B) (I_(B) gt I_(A)) have equal kinetic energy of rotation. If L_(A) and L_(B) be their angular momenta respectively, then

Two bodies of different masses m_(1) and m_(2) have equal momenta. Their kinetic energies E_(1) and E_(2) are in the ratio

Two rotating bodies A and B of masses m and 2 m with moments of inertia I_A and I_B (I_B gt I_A) have equal kinetic energy of rotation. If L_A and L_B are their angular momenta respectively, then.

Two discs of moment of inertia I_(1) and I_(2) and angular speeds omega_(1) and omega_(2) are rotating along the collinear axes passing through their center of mass and perpendicular to their plane. If the two are made to rotate combindly along the same axis the rotational K.E. of system will be

Keeping moment of inertia constant, the angular momentum of a body is increased by 20%. The percentage increase in its rotational kinetic energy is

TARGET PUBLICATION-ROTATIONAL MOTION -MCQ
  1. The moment of inertia of a uniform rod about a perpendicular axis pass...

    Text Solution

    |

  2. Ratio of rotational K.E. to rolling KE. of a solid sphere is

    Text Solution

    |

  3. Two bodies having moments of inertia I(1) and I2 (I(1) gt I(2)) have s...

    Text Solution

    |

  4. The total energy of rolling ring of mass m and radius R is

    Text Solution

    |

  5. A body of moment of inertia of 3 kg m^(2) rotating with an angular vel...

    Text Solution

    |

  6. Disc is rolling on the horizontal with constant If mass of the disc is...

    Text Solution

    |

  7. A rod having length L, density D and area of Cross-section A is rotati...

    Text Solution

    |

  8. A ring and a disc roll on the horizontal surface without slipping with...

    Text Solution

    |

  9. A solid sphere of mass m and radius R is rotating about its diameter. ...

    Text Solution

    |

  10. Two discs of same moment of inertia rotating their regular axis passin...

    Text Solution

    |

  11. The radius of gyration depends on

    Text Solution

    |

  12. Radius of gyration of a uniform circular disc about an axis passing th...

    Text Solution

    |

  13. The ratio of the radii of gyration of a circular disc to that of a cir...

    Text Solution

    |

  14. Let M be the mass and L be the length of a thin uniform rod. In first ...

    Text Solution

    |

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

    Text Solution

    |

  16. A uniform disc of mass 2kg is rotated about an axis perpendicular to t...

    Text Solution

    |

  17. Which of the following is not correct?

    Text Solution

    |

  18. A disc is rotating with angular velocity omega. A force F acts at a po...

    Text Solution

    |

  19. The torque acting is 2000 Nm with an angular acceleration of 2rad//s^(...

    Text Solution

    |

  20. A disc of mass 2 kg and diameter 2 m is performing rotational motion. ...

    Text Solution

    |