Home
Class 11
PHYSICS
An artificial satellite moving in a circ...

An artificial satellite moving in a circular orbit around the Earth has a total (kinetic + potential) energy `E_(0)`. Its potential energy is:

A

`1.5E_(0)`

B

`E_(0)`

C

`2E_(0)`

D

`-E_(0)`

Text Solution

Verified by Experts

The correct Answer is:
C

Total energy = `(GMm)/(2r)=E_(0)`
Potential energy = `-(GMm)/(r)=2E_(0)`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (VERY SHORT ANSWER QUESTION)|43 Videos
  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (SHORT ANSWER QUESTIONS)|28 Videos
  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise EVALUATION TEXTBOOK QUESTION & ANSWERS (NUMERICAL PROBLEMS)|30 Videos
  • KINEMATICS

    PREMIERS PUBLISHERS|Exercise Other important questions & answers (V. Numerical problems).|166 Videos
PREMIERS PUBLISHERS-GRAVITATION-OTHER IMPORTANT QUESTION & ANSWERS (MULTIPLE CHOICE QUESTIONS)
  1. All the known planets move in:

    Text Solution

    |

  2. For a planet moving around the Sun in an elliptical orbit of semimajor...

    Text Solution

    |

  3. An artificial satellite moving in a circular orbit around the Earth ha...

    Text Solution

    |

  4. A missile is launched with a velocity less than escape velocity. The s...

    Text Solution

    |

  5. For a planet having mass equal to mass of the earth and radius is one ...

    Text Solution

    |

  6. Weightlessness in satellite is due to:

    Text Solution

    |

  7. A body is acted upon by a force towards a point. The magnitude of the ...

    Text Solution

    |

  8. Which of the following statements is an incorrect statement? If M(E) i...

    Text Solution

    |

  9. Accorrding to Kepler, the period of revolution of a planet (T) and its...

    Text Solution

    |

  10. The force of gravitation is:

    Text Solution

    |

  11. Which of the following pairs is a correct pair with reference to a sat...

    Text Solution

    |

  12. The distance of two planets from the Sun are 10^(13)and10^(12) metres ...

    Text Solution

    |

  13. The period of a planet around Sun is 27 times that of Earth. The ratio...

    Text Solution

    |

  14. A planet moves around the Sun. It is closest to Sun at a distant d(1) ...

    Text Solution

    |

  15. Assertion: A planet is a heavenly body revolving around the sun. Reas...

    Text Solution

    |

  16. Assertion: The earth is slowing down and as a result the moon is comin...

    Text Solution

    |

  17. A man waves his arms, while walking. This is due:

    Text Solution

    |

  18. Two spheres of same size, one of mass 2 kg and another of mass 4 kg ar...

    Text Solution

    |

  19. Choose the odd man out from the following laws.

    Text Solution

    |

  20. The figure shows elliptical orbit of a planet M about the Sun S. The s...

    Text Solution

    |