Home
Class 12
PHYSICS
A body of mass m is placed on the earth ...

A body of mass `m` is placed on the earth surface is taken to a height of `h=3R`, then, change in gravitational potential energy is

A

`2/3mgR`

B

`3/4mgR`

C

`(mgR)/2`

D

`(mgR)/4`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|78 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

Similar Questions

Explore conceptually related problems

A body of mass 2 m is placed one earth's surface. Calculate the change in gravitational potential energy, if this body is taken from earth's surface to a height of h, where h=4R.

A body of mass m is placed on the earth's surface . It is taken from the earth's surface to a height h = 3 R when R is the radius of the earth. The change in gravitational potential energy of the body is

A body of mass m is taken from earth surface to the height h equal to radius of earth, the increase in potential energy will be

A body of mass m is taken from the earth's surface to the height equal to twice the radius (R) of the earth.The change in potential energy of body will be

A body of mass m is lifted from the surface of earth of height equal to R//3 where R is the radius of earth, potential energy of the body increases by

A body of mass m is lifted up from the surface of earth to a height three times the radius of the earth . The change in potential energy of the body is (g - gravity field at the surface of the earth )

A body of mass 'm' is raised from the surface fo the earth to a height 'nR'( R -radius of the earth). Magnitude of the change in the gravitational potential energy of the body is ( g -acceleration due to gravity on the surface of the earth)

A body of mass m is placed at the centre of the spherical shell of radius R and mass M. The gravitation potential on the surface of the shell is

A body of mass 200 kg is at rest on the earth's surface. (i) Find its gravitational potential energy . (ii) Find the kinetic energy to be provided to the body to make it free from the gravitational influence of the earth. (g = 9.8 m //s^(2) , R = 6400 km )

TARGET PUBLICATION-GRAVITATION-COMPETITIVE THINKING
  1. Energy required to move a body of mass m from an orbit of radius 2R to...

    Text Solution

    |

  2. If g is the acceleration due to gravity on earth's surface, the gain o...

    Text Solution

    |

  3. A body of mass m is placed on the earth surface is taken to a height o...

    Text Solution

    |

  4. A body of mass m is raised to a height 10 R from the surface of the ea...

    Text Solution

    |

  5. A body of mass m taken form the earth's surface to the height is equal...

    Text Solution

    |

  6. The acceleration due to gravity on the surface of the earth is g. If a...

    Text Solution

    |

  7. A body of mass m rises to a height h=R//5 from the earth's surface whe...

    Text Solution

    |

  8. What is the minimum energy required to launch a satellite of mass m fr...

    Text Solution

    |

  9. A satellite of mass m is orbiting the earth (of radius R) at a height ...

    Text Solution

    |

  10. If R is the radius of earth and g is acceleration due to gravity on th...

    Text Solution

    |

  11. How much energy will be needed for a body of mass 100kg to escape from...

    Text Solution

    |

  12. Considering earth's rotation, the value of g at the earth's surface is

    Text Solution

    |

  13. If earth were to rotate faster than its present speed, the weight of a...

    Text Solution

    |

  14. An extremely small and dense neutron star of mass M and radius R is ro...

    Text Solution

    |

  15. Which of the following statements is not correct for the decrease in t...

    Text Solution

    |

  16. The acceleration due to gravity is g at a point distant r from the cen...

    Text Solution

    |

  17. If the density of the earth is doubled keeping its radius constant the...

    Text Solution

    |

  18. The depth 'd' at which the value of acceleration due to gravity become...

    Text Solution

    |

  19. The value of gravitational accelerationg at a height h above the earth...

    Text Solution

    |

  20. The acceleration due to gravity at a height 1km above the earth is the...

    Text Solution

    |