Home
Class 11
PHYSICS
A planet revolves in an elliptical orbit...

A planet revolves in an elliptical orbit around the Sun. The semi-major and semi-minor axis are A and B. How time-period is related with them?

Text Solution

Verified by Experts

`T^(2)propa^(3)`
Time period is directly proportional to cube of the semi-major axix.
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (NUMERICAL PROBLEMS)|28 Videos

  • KINEMATICS

    PREMIERS PUBLISHERS|Exercise Other important questions & answers (V. Numerical problems).|166 Videos

Similar Questions

Explore conceptually related problems

For a planet moving around the Sun in an elliptical orbit of semimajor and semiminor axes a and b respectively and Time period T. For this situation which one of the following statements is correct?

Consider a planet moving in an elliptical orbit around the Sun. The work done on the planet by the gravitational force of the Sun

A planet is moving in an elliptical orbit around the Sun. If T, V, E and L stand respectively for its kinetic energy, gravitational potential energy, total energy and magnitude of angular momentum about the centre of force, then which of the following is correct?

An unknown planet orbits the sun with distance twice the semi major axis distance of the Earth's orbit. It the Earths time period is T_(1) , what is the time period of this period is planet?

The planet Mars has two moons, phobos and delmos. (i) phobos has a period 7 hours, 39 minutes and an orbital radius of 9.4 xx 103 km. Calculate the mass of mars. (ii) Assume that earth and mars move in circular orbits around the sun, with the martian orbit being 1.52 times the orbital radius of the earth. What is the length of the martian year in days ?

The period of revolution of planet A around the Sun is 8 times that of B. The distance of A from the Sun is how many times greater than that of B from the Sun.

PREMIERS PUBLISHERS-GRAVITATION-OTHER IMPORTANT QUESTION & ANSWERS (CONCEPTUAL QUESTIONS)
  1. Why do you feel giddy while moving on Raatinam (or) Carrousel?

    Text Solution

    |

  2. Explain why one can jump higher on the surface of the Moon than that o...

    Text Solution

    |

  3. A planet revolves in an elliptical orbit around the Sun. The semi-majo...

    Text Solution

    |

  4. If Earth be at one fourth its present distance from the Sun, how many ...

    Text Solution

    |

  5. State Newtons Universal law of gravitaion.

    Text Solution

    |

  6. Why does the gravitational potential energy U(r) is always negative?

    Text Solution

    |

  7. What happens to the acceleration due to gravity on account of rotation...

    Text Solution

    |

  8. Under what condition, the gravitational potential energy of a body wil...

    Text Solution

    |

  9. Can we determine the gravitational mass of a body inside an artificial...

    Text Solution

    |

  10. Mention the factors which determine whether a planet would have an atm...

    Text Solution

    |

  11. If the Earth stops rotating about its axis, then by what value will th...

    Text Solution

    |

  12. A hippopotamus and a frog are to be projected out of Earth into space....

    Text Solution

    |

  13. Tides arise in the ocean. Give reason.

    Text Solution

    |

  14. Why does an astronaut in a spacecraft feel weightlessness?

    Text Solution

    |

  15. Where does the weight of a body become zero?

    Text Solution

    |

  16. Why a body weighs less at the equator than at the poles?

    Text Solution

    |

  17. Where does a body weigh less? At the sea level or on the mountains?

    Text Solution

    |

  18. Why do you feel giddy while moving on Raatinam (or) Carrousel?

    Text Solution

    |

  19. Explain why one can jump higher on the surface of the Moon than that o...

    Text Solution

    |

  20. A planet revolves in an elliptical orbit around the Sun. The semi-majo...

    Text Solution

    |