Home
Class 12
PHYSICS
As the height of satellite orbit gets l...

As the height of satellite orbit gets lower, the speed of the satellite

A

increases

B

decreases

C

constant

D

both 'a' and 'b'

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Examples for Practice)|8 Videos
  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Production and detection of amplitude modulated wave)|31 Videos
  • CIRCULAR MOTION

    NIKITA PUBLICATION|Exercise Multiple Choice Question|421 Videos
  • CURRENT ELECTRICITY

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|314 Videos

Similar Questions

Explore conceptually related problems

Orbital speed of a satellite

Two satellites A and B go around a planet in circular orbits of radii 4 R and R respectively. If the speed of the satellite A is 3 V, then the speed of the satellite B will be

A satellite going around the earth suddenly loses height and starts moving in a lower orbit. The speed of the satellite

How does the orbital velocity of a satellite depend on the mass of the satellite ?

An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of escape velocity from the earth. (i) Determine the height of the satellite above the earth's surface. (ii) If the satellite is stopped suddenly in its orbit and allowed to fall freely onto the earth, find the speed with which it hits the surface of the earth.

The radii of circular orbits of two satellite A and B of the earth are 4R and R , respectively. If the speed of satellite A is 3v , then the speed of satellite B will be

Two satellites P and Q go round a planet in circular orbits of radii 9R and R respectively. If the speed of the satellite P is 4V, then speed of satellite Q will be

Define orbital speed of a satellite.

NIKITA PUBLICATION-COMMUNICATION SYSTEMS-Multiple Choice Questions (Space communication )
  1. In earth's atmosphere for F(1)-layer , the virutal height and critic...

    Text Solution

    |

  2. In earth's atmosphere , for F(2) - layer, the virtual height and crit...

    Text Solution

    |

  3. As the height of satellite orbit gets lower, the speed of the satel...

    Text Solution

    |

  4. An electron oscillating with a frequency of 3xx10^6 Hz, would generate...

    Text Solution

    |

  5. If three wave no atmosphere, the average temperature on the surface of...

    Text Solution

    |

  6. When an electromagnetic waves enter the ionised layer of ionosphare, ...

    Text Solution

    |

  7. Ultraviolet spectrum can be studied by using a

    Text Solution

    |

  8. When electromagnetic waves enter the ionised layer of ionosphere, then...

    Text Solution

    |

  9. The absorption of radiowaves by the atmosphere depends upon

    Text Solution

    |

  10. The ozone layer in the atmosphere absorbs

    Text Solution

    |

  11. Out of the following the radiation with lowest frequency is

    Text Solution

    |

  12. Height of troposphere from ground surface is …… km.

    Text Solution

    |

  13. A man can take pictures of those objects which are not fully visible t...

    Text Solution

    |

  14. Troposphere reflect the waves having frequency from ……

    Text Solution

    |

  15. Clouds and water vepours are present in the layer of atmosphere calle...

    Text Solution

    |

  16. The EM waves when travel into different medium gets

    Text Solution

    |

  17. Ultraviolet radiations is absorbed by:

    Text Solution

    |

  18. Speed of electromagnetic waves is given

    Text Solution

    |

  19. In space communication, the sound waves can be sent from one place t...

    Text Solution

    |

  20. A.F.M. radio transmitter uses a tower of height 60 m for its antenna W...

    Text Solution

    |