Home
Class 11
PHYSICS
If the acceleration due to gravity at th...

If the acceleration due to gravity at the surface of the earth is g, the work done is slowly lifting a body of mass in from the earth's surface to a height R equal to the radius of the earth is

A

`1/2 mgR`

B

`2 mgR`

C

`mgR`

D

`1/4 mg R`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS - FILL IN THE BLANKS|9 Videos
  • GRAVITATION

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS - CHOOSE THE ODD ONE OUT|3 Videos
  • GRAVITATION

    SURA PUBLICATION|Exercise EXERCISE - NUMERICAL PROBLEMS|15 Videos
  • GOVT. MODEL QUESTION PAPER - 2

    SURA PUBLICATION|Exercise PART - IV (Answer the questions)|12 Videos
  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise Value Based Question|1 Videos

Similar Questions

Explore conceptually related problems

If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body ofmass m from the earth's surface to a height R equal to the radius of the earth is

The value of acceleration due to gravity at the surface of Earth:

The value of acceleration due to gravity at the surface of Earth:

The acceleration due to gravity varies on Earth with

Acceleration due to gravity is independent of mass of the earth/mass of the body.

A body weighs 63 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half the radius of the earth ?

If the acceleration due to gravity on the surface of the Earth is 9.8m//s^(2) , what will be the aceleration due to gravity on the surface of the planet whose mass and radius both are two times the corresponding quantities for the Earth.

The acceleration due to gravity at a height 1 km above the earth is the same sa at depth d below the surface of earth . Then

A geostationary satellite is orbiting the earth at a height of 5R above the surface of the earth, R being the radius of the earth. Find the time period of another satellite at a height of 2R from the surface of the earth.

SURA PUBLICATION-GRAVITATION-ADDITIONAL QUESTIONS - MULTIPLE CHOICE QUESTIONS (1 Mark)
  1. According to Kepler's second law, the radial vector to a planet from t...

    Text Solution

    |

  2. A satellite is launched into a circular orbit of radius R around the e...

    Text Solution

    |

  3. Two particles of equal mass m go round a circle of radius R under the ...

    Text Solution

    |

  4. A body projected electrically from the earth reaches a height equal to...

    Text Solution

    |

  5. A rocket is fired from the earth. The body is projected the distance b...

    Text Solution

    |

  6. A body of mass 500g is town upwards with a velocity 20 ms^(-1) and rea...

    Text Solution

    |

  7. A body of mass m falls from earth's surface at a height equal to twice...

    Text Solution

    |

  8. Three bodies of each of mass 2kg are situated on x-axis at distance 1m...

    Text Solution

    |

  9. Explain the variation of 'g' with latitude.

    Text Solution

    |

  10. If the acceleration due to gravity at the surface of the earth is g, t...

    Text Solution

    |

  11. Let V & E be gravitational potential & gravitational field at a distan...

    Text Solution

    |

  12. Two spherical balls of mass 10 hg are placed 10 cm apart. Find gravita...

    Text Solution

    |

  13. A body is suspended from a spring balance kept in a satellite the read...

    Text Solution

    |

  14. A particle is kept at rest at a distance R (earth's radius) above the ...

    Text Solution

    |

  15. A satellite is orbiting the earth close to its surface. A particle is ...

    Text Solution

    |

  16. Which of following quantities remain constant in a planetary motion (c...

    Text Solution

    |