Home
Class 12
PHYSICS
If R is the radius of the earth and g th...

If `R` is the radius of the earth and `g` the acceleration due to gravity on the earth's surface, the mean density of the earth is

A

`4piG//3gR`

B

`3piR//4gG`

C

`3g//4piRG`

D

`piRG//12g`

Text Solution

Verified by Experts

The correct Answer is:
C
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

Let g be the acceleration due to gravity on the earth's surface.

A satellite is in a circular orbit round the earth at an altitude R above the earth's surface, where R is the radius of the earth. If g is the acceleration due to gravity on the surface of the earth, the speed of the satellite is

An earth satellite of mass m revolves in a circular orbit at a height h from the surface of the earth. R is the radius of the earth and g is acceleration due to gravity at the surface of the earth. The velocity of the satellite in the orbit is given by

If R is the radius of the earth, then the value of acceleration due to gravity at a height h from the surface of the earth will become half its value on the surface of the earth if

If R= radius of the earth and g= acceleration due to gravity on the surface of the earth, the acceleration due to gravity at a distance (r lt R) from the centre of the earth is proportional to

If R= radius of the earth and g= acceleration due to gravity on the surface of the earth, the acceleration due to gravity at a distance (r gt R) from the centre of the earth is proportional to

TARGET PUBLICATION-GRAVITATION-COMPETITIVE THINKING
  1. For particles of equal masses M that move along a circle of radius R u...

    Text Solution

    |

  2. A body weighs 700gm wt on the surface of the earth. How much will it w...

    Text Solution

    |

  3. If R is the radius of the earth and g the acceleration due to gravity ...

    Text Solution

    |

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

    Text Solution

    |

  5. The mass and diameter of a planet have twice the value of the correspo...

    Text Solution

    |

  6. The moon's radius is 1//4 that of the earth and its mass 1//80 times t...

    Text Solution

    |

  7. Four particles, each of mass M and equidistant from each other, move a...

    Text Solution

    |

  8. A spherical planet far out in space has a mass M(0) and diameter D(0)....

    Text Solution

    |

  9. The densities of two planets are in the ratio of 2 : 3 and their radii...

    Text Solution

    |

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

    Text Solution

    |

  11. A satellite is moving around the earth's with speed v in a circular or...

    Text Solution

    |

  12. A satellite of mass 200 kg is orbiting with a critical velocity of 20 ...

    Text Solution

    |

  13. Two satellite A and B are moving round a planet in circular orbit hav...

    Text Solution

    |

  14. Time period of a satellite in a circular obbit around a planet is inde...

    Text Solution

    |

  15. In a satellite if the time of revolution is T, then kinetic energy is ...

    Text Solution

    |

  16. The earth (mass =6xx10^(24)kg) revolves round the sun with an angular ...

    Text Solution

    |

  17. Given raduis of earth 'R' and length of a day 'T' the height of a geos...

    Text Solution

    |

  18. According to Kepler, the period of revolution of a planet ( T ) and it...

    Text Solution

    |

  19. The earth revolves round the sun in one year. If the distance between ...

    Text Solution

    |

  20. If the distance between the earth and sun becomes 1//4^(th)then its pe...

    Text Solution

    |