Home
Class 11
PHYSICS
Long distance short-wave radio broadcast...

Long distance short-wave radio broadcasting uses

A

Ground wave

B

Ionospheric wave

C

Direct wave

D

Sky wave

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    ALLEN |Exercise Part-3(Exercise-2)|49 Videos

  • SEMICONDUCTORS

    ALLEN |Exercise Part-3(Exercise-3)|27 Videos

  • SEMICONDUCTORS

    ALLEN |Exercise Part-3(Exercise-4)|50 Videos

  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN |Exercise EXERCISE-IV|7 Videos

  • WAVES AND OSCILLATIONS

    ALLEN |Exercise Part-1(Exercise-05)[B]|42 Videos

Similar Questions

Explore conceptually related problems

Long distance radio broadcasts use short - wave bands. Why ?

Which of the following is not short-wave radiation ?

Explain how long distance transport of water is caused ?

State two uses of radio carbon dating.

Assertion: The surface wave propagation is used for medium wave band and for television broadcasting. Reason: The surface waves travel directly from transmitting antenna to receiver antenna through atmosphere.

Give scientific reasons for the following statements : We use AC for electric power transmission over long distance , while most of the appliances use DC.

Range of frequencies allotted for commercial FM radio broadcast is

Write source of radio waves, types and uses.

Why is the orientation of the portable radio with respect to broadcasting station important ?

The question has statement - 1 and statement - 2 Of the four choices given after the statements , choose the one that best describes the two statements statement - 1 : Sky wave signals are used for long distance radio communication . These signals are in generel , less stable then ground wave signals statement - 2 : The state of inosphere varies from to hour day and season to season .

ALLEN -SEMICONDUCTORS-Part-3(Exercise-1)
  1. Digital signals (i) do not provide a continuous set of values. (ii...

    Text Solution

    |

  2. An 'antenna' is:

    Text Solution

    |

  3. Long distance short-wave radio broadcasting uses

    Text Solution

    |

  4. The power in a two-wire transmission line travels :-

    Text Solution

    |

  5. For television broadcasting, the frequency employed is normally

    Text Solution

    |

  6. The sound waves after being converted into electrical waves are not tr...

    Text Solution

    |

  7. The process of superimposing signal frequency (i.e. audio wave) on the...

    Text Solution

    |

  8. In an amplitude modulated wave for audio-frequency of 500Hz, the appro...

    Text Solution

    |

  9. If there were no atmosphere, the average temperature on the surface of...

    Text Solution

    |

  10. The T.V. transmission tower in Delhi has a height of 240 m. The distan...

    Text Solution

    |

  11. Which of the following is used to produce radio waves of constant ampl...

    Text Solution

    |

  12. The maximum distance upto which TV transmission from a TV tower of...

    Text Solution

    |

  13. For sky wave propagation of a 10 MHz signal, what should be the minimu...

    Text Solution

    |

  14. In short wave communication waves of which of the following frequeunci...

    Text Solution

    |

  15. For sky wave propagation of a 10 MHz signal, what should be the minimu...

    Text Solution

    |

  16. In frequency modulation

    Text Solution

    |

  17. Range of frequencies allotted for commercial FM radio broadcast is

    Text Solution

    |

  18. Sound produced by a tining fork is a sort of :-

    Text Solution

    |

  19. The space waves which are affected seriously by atmospheric condition ...

    Text Solution

    |

  20. Which of the following is not transducer?

    Text Solution

    |