Home
Class 12
PHYSICS
If the radius of earth's orbit is made 1...

If the radius of earth's orbit is made 1/4, the duration of an year will become

A

8 times

B

4 times

C

1/8 times

D

1/4 times

Text Solution

Verified by Experts

The correct Answer is:
c
`T^(2) prop R^(3)` (Kepler's law)
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|458 Videos

  • INTERFERENCE AND DIFFRACTION

    NIKITA PUBLICATION|Exercise MULTPLE CHOICE QUESTIONS|333 Videos

Similar Questions

Explore conceptually related problems

The orbital speed for an earth satellite near the surface of the earth is 7km//sec . If the radius of the orbit is 4 times the radius of the earth, the orbital speed would be

The orbital velocity for an earth satellite near the surface of the earth is 8 km/sec. If the radius of the orbit is 4 times the radius of the earth, its orbital velocity will be

If earth shrinks then the duration of day

If the earth were to suddenly contract to 1//n^(th) of its present radius without any change in its mass, the duration of the new day will be nearly

If the mass of the earth is kept constant and its radius is made half, then the duration of the day will be where T is the present duration of the day.

If all objects on the equator of earth feels weightless then the duration of the day will nearly become

A body weighs 72 N on surface of earth feel weightless then the duration of the day will nearly become

NIKITA PUBLICATION-GRAVITATION-Multiple Choice Questions
  1. Asatellite is launched into a circular orbit of radius R around the ea...

    Text Solution

    |

  2. A satellite A of mass m is at a distance of r from the centre of the e...

    Text Solution

    |

  3. If the radius of earth's orbit is made 1/4, the duration of an year wi...

    Text Solution

    |

  4. The distance of two planets from the sun are 10^(12)m and 10^(10)m re...

    Text Solution

    |

  5. Two satellites are moving in circular orbits of same radii. The mass o...

    Text Solution

    |

  6. Two satellites are revolving around the earth in circular orbits of sa...

    Text Solution

    |

  7. In an atom, two electrons move around nucleus in circular orbits of ra...

    Text Solution

    |

  8. Two stallites A and B revolve round the same planet in coplanar circul...

    Text Solution

    |

  9. A satellite which is geostationary in a particular orbit is taken to a...

    Text Solution

    |

  10. A and B are two satellite revolving around the earth in circular orbit...

    Text Solution

    |

  11. A satellite is launched into a circular orbit of radius 'R' around ear...

    Text Solution

    |

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

    Text Solution

    |

  13. The time period of a satellite of earth is 5 hours. If the separation ...

    Text Solution

    |

  14. Which of the following graphs represents the motion of the planet movi...

    Text Solution

    |

  15. If the mean distance of Jupiter from sun is about 5 AU, to complete on...

    Text Solution

    |

  16. A planet revolves round the sun in an elliptical orbit of semi minor a...

    Text Solution

    |

  17. A planet is revolving in an elliptical orbit around the sun. Its close...

    Text Solution

    |

  18. A planet is revolving in an elliptical orbit about the sun. Its closes...

    Text Solution

    |

  19. If a and b are the nearest and farthest distances of a planet from the...

    Text Solution

    |

  20. The figure shows the motion of a planet around the sun in an elliptica...

    Text Solution

    |