Home
Class 11
PHYSICS
The magnitude of gravitational potential...

The magnitude of gravitational potential energy of a body at a distance .r. from the center of the earth is V. Its weight at a distance .2r. from the center of the earth is

A

`V/r`

B

`V/(4r)`

C

`V/(2r)`

D

`(4V)/r`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    AAKASH SERIES|Exercise Practice Exercise|56 Videos

  • GRAVITATION

    AAKASH SERIES|Exercise VERY SHORT ANSWER TYPE QUESTIONS|55 Videos

  • GRAVITATION

    AAKASH SERIES|Exercise Exercise-I|124 Videos

  • GAUSS.S LAW

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|12 Videos

  • GRAVITATIONAL

    AAKASH SERIES|Exercise EXERCISE -3|154 Videos

Similar Questions

Explore conceptually related problems

The magnitude of gravitational potential energy of the moon-earth system is U with zero potential energy at infinite separation. The kinetic energy of the moon with respect to the earth is K

AAKASH SERIES-GRAVITATION-Exercise-II
  1. The amount of work done in lifting a body of mass 'm' from the surface...

    Text Solution

    |

  2. Find the PE of three objects of masses 1 kg, 2 kg and 3 kg placed at...

    Text Solution

    |

  3. The magnitude of gravitational potential energy of a body at a distanc...

    Text Solution

    |

  4. A particle of mass 10 g is kept on the surface of a uniform sphere of ...

    Text Solution

    |

  5. If the gravitational force has varied as r^(-5//2) instead r^(-2) , th...

    Text Solution

    |

  6. A setellite os revolving very close to a planet of density p. The per...

    Text Solution

    |

  7. A satellite orbits the earth at a height of R/6 , its orbital speed ...

    Text Solution

    |

  8. A satellite is in a circular orbit around a planet . Its period of rev...

    Text Solution

    |

  9. A satellite is revolving near the earth.s surface. Its orbital velocit...

    Text Solution

    |

  10. The escape velocity of a body from the surface of the earth is nearly

    Text Solution

    |

  11. A satellite is revolving in a circular orbit of radius R. Ratio of KE ...

    Text Solution

    |

  12. The PE of a satellite is -U . Its KE is

    Text Solution

    |

  13. If the mass of the earth is M, its radius is R and gravitational const...

    Text Solution

    |

  14. A satellite is revolving in a circular orbit of round the earth at a ...

    Text Solution

    |

  15. The relation between the escape velocity ve and orbital velocity v0 is...

    Text Solution

    |

  16. The ratio of the time periods of two satellites at heights h1,h2 from...

    Text Solution

    |

  17. The KE required to project a body of mass .m. from the earth.s surface...

    Text Solution

    |

  18. A spaceship is launched into a circular orbit of radius R close to the...

    Text Solution

    |

  19. The escape velocity for a body projected vertically upwards from the s...

    Text Solution

    |

  20. The mass of a planet is half that of the earth and the radius of the p...

    Text Solution

    |