Home
Class 11
PHYSICS
The change in potential energy when a bo...

The change in potential energy when a body of mass m is raised to a height nR from the earth's surface is [R = Radius of earth]

A

`mgR (n/n-1)`

B

nmgR

C

`mgR (n^2/n^2 -1)`

D

`mgR (n/n+1)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

  • LAWS OF MOTION

    TARGET PUBLICATION|Exercise EXERCISE|281 Videos

Similar Questions

Explore conceptually related problems

Find the change in the gravitational potential energy when a body of mass m is raised to a height nR above the surface of the earth. (Here, R is the radius of the earth)

What will be the change in potential energy of a body of mass m when it is raised from height R_E above the Earth’s surface to 5/2 R_E above the Earth’s surface? R_E and M_E are the radius and mass of the Earth respectively

Calculate the potential energy of a body of mass 5 kg at a height of 2m from the ground.

Find the gravitational potential energy of a body of mass 10 kg when it is at a height of 6400 km from the earth's surface. [M (earth) = 6xx 10^24 kg, R(earth) =6400 km]

Assuming that the gravitational potential energy of an object at infinity is zero, the change in potential energy (final-initial) of an object of mass m, when taken to a height h from the surface of earth (of radius R), is given by,

The height of a communication satellite from the earth's surface is about

If g is the acceleration due to gravity on earth's surface, the gain of the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth is

Solve the following examples / numerical problems: Find the gravitational potential energy of a body of mass 10 kg when it is on the earth's surface. [M_(earth) = 6 xx10^24 kg , R_(earth) = 6.4 xx10^6m, G= 6.67 xx 10^-11 N-m^2/kg^2]

If R is the radius of earth and g is acceleration due to gravity on the surface of the earth, then binding energy of the satellite of mass m at the height h above earth's surface is · (r is orbital radius of satellite)

The ratio of binding energy of a satellite at rest on earth's surface to the binding energy of a satellite of same mass revolving around of the earth at a height h above the earth's surface is (R = radius of the earth).

TARGET PUBLICATION-Gravitation-Exercise
  1. Which of the following statements is not correct for the decrease in t...

    Text Solution

    |

  2. Calculate angular velocity of earth so that acceleration due to gravit...

    Text Solution

    |

  3. The change in potential energy when a body of mass m is raised to a he...

    Text Solution

    |

  4. A body of mass m is raised to a height h above the surface of the eart...

    Text Solution

    |

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

    Text Solution

    |

  6. A body of mass 'm' is taken from the earth's surface to the height equ...

    Text Solution

    |

  7. The work done to raise a mass m from the surface of the earth to a hei...

    Text Solution

    |

  8. Assuming that the gravitational potential energy of an object at infin...

    Text Solution

    |

  9. Infinite number of bodies, each of mass 2 kg are situated an x-axis at...

    Text Solution

    |

  10. The escape velocity from the surface of earth is ve . The escape veloc...

    Text Solution

    |

  11. The ratio of escape ve locity at earth (ve) to the escape ve locity at...

    Text Solution

    |

  12. A black hole is an object whose gravitational field is so strong that ...

    Text Solution

    |

  13. A space station is at a height equal to the radius of the Earth. If VE...

    Text Solution

    |

  14. A period of geostationary satellite is

    Text Solution

    |

  15. Two satellites A and B go round a planet in circular orbits having rad...

    Text Solution

    |

  16. A satellite S is moving in an elliptical orbit around the earth. The m...

    Text Solution

    |

  17. A remote - sensing satellite of earth revolves in a circular orbit at ...

    Text Solution

    |

  18. The time period of a geostationary satellite is 24 h, at a height 6RE(...

    Text Solution

    |

  19. If a satellite has to orbit the earth in a circular path every 6 hrs, ...

    Text Solution

    |

  20. A satellite is moving with a constant speed 'v' in a circular orbit ab...

    Text Solution

    |