Home
Class 11
PHYSICS
A simple pendilum is swinging in a verti...

A simple pendilum is swinging in a vertical plane. The ratio of its potential energies when it is making angles `30^(@) and 60^(@)` with the vertical is,

A

`1 : (2 - sqrt(3))`

B

`(2 - sqrt(3)) : 1`

C

`1 : 2`

D

`2 : 1`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise EXERCISE - II (POWER)|17 Videos

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise EXERCISE - II (VERTICAL CIRCLE)|16 Videos

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise EXERCISE - II (WORK)|20 Videos

  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

Similar Questions

Explore conceptually related problems

A simple pendulum is swinging in vertical plane. The ratio of its potential energies when it is making angles 45^(@) and 90^(@) with the vertical is

A body of weight 10 N attached to one end of a string of length 1m is rotated in a vertical plane. At the instant when the string makes an angle of 60^(@) with the downward vertical the speed of the bob is sqrt(9.8) ms^(-1) . The tension in the string at that instant is equal to

A girl of mass 50 kg swinging on a cardle. If she moves with a velocity of 2 ms^(-1) upwards in a direction making an angle 60^(@) with the vertical, then the power generated is (g= 9 . 8 ms^(-2))

AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - II (ENERGY)
  1. A light string of length 20 cm is carrying a bob of mas 100 gm. If is ...

    Text Solution

    |

  2. A particle is projected at 60^(@) to the horizontal with a kinetic ene...

    Text Solution

    |

  3. A ball released from a height of 20m, hits the ground and rebounds to...

    Text Solution

    |

  4. A car moving with a velocity of 72 KMPH stops engine just before ascen...

    Text Solution

    |

  5. A simple pendilum is swinging in a vertical plane. The ratio of its po...

    Text Solution

    |

  6. A 2kg block is dropped from a height of 0.4 m on a spring of force con...

    Text Solution

    |

  7. A body is swinging on a swing such that his lowest and highest positio...

    Text Solution

    |

  8. A body of mass 5kg at rest is acted upon by two mutually perpendicular...

    Text Solution

    |

  9. Two masses 10 gm and 40 gm are moving with kinetic energies in the rat...

    Text Solution

    |

  10. If the kinetic energy of a body ia fourtimes it mementum, its velocity...

    Text Solution

    |

  11. A particle of mass m is moving in a horizontal circle of radius r, und...

    Text Solution

    |

  12. A person of mass M=90 kg standing on a smooth horizontal plane of ice ...

    Text Solution

    |

  13. An athlete in the olympic games covers a distance of 100 m in 10s. His...

    Text Solution

    |

  14. A partical is projected up from a point at an angle theta whith the ho...

    Text Solution

    |

  15. A body of 200g begines to fall from a height where is potential energy...

    Text Solution

    |

  16. A ball is projected vertically down with an initial velocity from a he...

    Text Solution

    |

  17. A stone is projected vertically up to reach a maximum height h. The ra...

    Text Solution

    |

  18. Two bodies of masses 4 kg and 16 kg ar at rest. The ratio of times for...

    Text Solution

    |

  19. To the free end of spring hanging from a rigid support, a block of mas...

    Text Solution

    |

  20. A car without passengers moving with certain velocity on a level groun...

    Text Solution

    |