Home
Class 12
PHYSICS
A stone of mass 1 kg is rotated in a hor...

A stone of mass 1 kg is rotated in a horizontal circle of radius 0.5 m. If it makes `(100)/(pi) r.p.s.` then its angular momentum is

A

`50 kg m^(2) s^(-1)`

B

`2.5 xx 10^(-3) kg m^(2) s^(-1)`

C

`5pi^(2) xx 10^(-3) m^(2) s^(-1)`

D

`800 kg m^(2) s^(-1)`

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

Particle of mass 0.2kg is moving in a circle of radius 2m with frequency (2)/(pi)s^(-1) then its angular momentum is

A stone of mass 4kg is whirled in a horizontal circle of radius 1m and makes 2 rev/sec. The moment of inertia of the stone about the axis of rotation is

If a particle of mass 1 gm is moving along a circular path of radius 1 m with a velocity of 1 m/s, then the its angular momentum is

A body of mass 1 kg is rotated in a horizontal circle of radius 1 m and moves with velocity 2 ms^(-1) The work done in 10 revolutions is

A particle of mass 0.2 kg is moving in a circle of radius 1 m with f=(2//pi)sec^(-1) , then its angular momentum is :

A ring of mass 10 kg and diameter 0.4m is rotated about its axis. If it makes 2100 revolutions per minute, then its angular momentum (in kg m^(2)//s ) will be

The breaking tension of a string is 10 N. A particle of mass 0.1 kg tied to it is rotated along a horizontal circle of radius 0.5 meter. The maximum speed with which the particle can be rotated without breaking the string is

A particle of mass 0.5kg is rotating in a circular path of radius 2m and centripetal force on it is 9 Newtons. Its angular momentum (in J-sec) is:

A particle of mass 0.5kg is rotating in a circular path of radius 2m and centripetal force on it is 9 Newtons Its angular momentum (in J-sec)

A particle of mass 1kg is moving about a circle of radius 1m with a speed of 1m//s . Calculate the angular momentum of the particle.

TARGET PUBLICATION-ROTATIONAL MOTION -MCQ
  1. A uniform horizontal circular platform of mass 200 kg is rotating at ...

    Text Solution

    |

  2. If the earth were to suddenly contract to 1//n^(th) of its present rad...

    Text Solution

    |

  3. A stone of mass 1 kg is rotated in a horizontal circle of radius 0.5 m...

    Text Solution

    |

  4. A uniform disc of radius 'a' and mass 'm' is rotating freely with angu...

    Text Solution

    |

  5. If the angular momentum of a body increases by 50%, its kinetic energy...

    Text Solution

    |

  6. A rigid and a disc of different masses are rotating with the same kine...

    Text Solution

    |

  7. A mass is whirled in a circular path with a constant angular velocity ...

    Text Solution

    |

  8. A ball of radius 10 cm and mass 8 kg rolls down a ramp of length 3.5 m...

    Text Solution

    |

  9. A disc rotates horizontal at the rate of 100 rpm and M.I. of the disc ...

    Text Solution

    |

  10. A disc of uniform thickness and radius 50 cm is made of two zones. The...

    Text Solution

    |

  11. A wheel is rotating freely at an angular speed of 800 rev/min on a sha...

    Text Solution

    |

  12. wheel rotates with angular velocity 500 r.p.m. on a shaft. Second iden...

    Text Solution

    |

  13. If the radius of the earth contracts to half of its present value with...

    Text Solution

    |

  14. Two discs of moments of inertia I1 and I2 about their respective axes,...

    Text Solution

    |

  15. A pot-maker rotates pot-making wheel of radius 3 m by applying a force...

    Text Solution

    |

  16. Assertion: A solid cylinder of mass m and radius r rolls down an incli...

    Text Solution

    |

  17. The moment of interia of a body depends upon

    Text Solution

    |

  18. If radius of solid sphere is doubled by keeping its mass constant, the...

    Text Solution

    |

  19. Two circular discs A and B of equal masses and thicknesses. But are ma...

    Text Solution

    |

  20. Two discs having same mass rotate about the same axes. If p(1) and p(2...

    Text Solution

    |