Home
Class 11
PHYSICS
When a satellite in a circular orbit aro...

When a satellite in a circular orbit around the earth enters the atmospheric region, it encounters small air resistance to its motion. Then

A

its angular momentum about the earth decreases

B

its kinetic energy decreases

C

its kinetic energy remains constant

D

its period of revolution around the earth increases

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL I(C.W.)|51 Videos

  • GRAVITATION

    NARAYNA|Exercise LEVEL II (C.W.)|38 Videos

  • GRAVITATION

    NARAYNA|Exercise EXERCISE -IV|40 Videos

  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos

Similar Questions

Explore conceptually related problems

A satellite is moving in an orbit around the earth due to

For a satellite moving in a circular orbit around the earth, the ratio of its total mechanical energy to kinetic energy

For a satellite moving in a circular orbit around the earth, the ratio of its potential energy to kinetic energy is

The time period of a satellite in a circular orbit around the earth is T . The kinetic energy of the satellite is proportional to T^(-n) . Then, n is equal to :

A satellite is revolving round the earth in circular orbit

An artificial satellite moves in a circular orbit around the earth. Total energy of the satellite is E. Then what is the potential energy of satellite

An artificial satellite moving in a circular orbit around the earth has a total energy E_(0) . Its potential energy is

NARAYNA-GRAVITATION-C.U.Q
  1. Following physical quantity is constant where a planet that revolves a...

    Text Solution

    |

  2. A satellite launching statian should be

    Text Solution

    |

  3. When a satellite in a circular orbit around the earth enters the atmos...

    Text Solution

    |

  4. The period of a satellite moving in a circular orbit near the surface ...

    Text Solution

    |

  5. Out of the following statements, the one which correctly describes a s...

    Text Solution

    |

  6. When an astronaut goes out of his space-ship into the space he will

    Text Solution

    |

  7. When the height of a satellite increases from the surface of the earth...

    Text Solution

    |

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

    Text Solution

    |

  9. If S1 is surface satellite and S2 is geostationary satellite, with tim...

    Text Solution

    |

  10. A relay satellite transmits the television programme from one part of ...

    Text Solution

    |

  11. The following statement is correct about the motion of earth satellite...

    Text Solution

    |

  12. An artificial satellite of mass m is revolving round the earth in a ci...

    Text Solution

    |

  13. A satellite is revolving round the earth. Its kinetic energy is Ek. Ho...

    Text Solution

    |

  14. If the universal gravitational constant increases uniformly with time,...

    Text Solution

    |

  15. Two satellites of masses m1 and m2 (m1 gt m2) are revolving around ear...

    Text Solution

    |

  16. An earth satellite is moved from one stable circular orbit to another ...

    Text Solution

    |

  17. A satellite is revolving in an elliptical orbit in free space, then th...

    Text Solution

    |

  18. When a satellite falls into an orbit of smaller radius its speed

    Text Solution

    |

  19. Two artificial satellites are revolving in the same circular orbit. Th...

    Text Solution

    |

  20. If satellite is orbiting in space having air and no energy being suppl...

    Text Solution

    |