Home
Class 12
PHYSICS
The space waves which are affected serio...

The space waves which are affected seriously by atmospheric condition are-

A

MF

B

HF

C

VHF

D

UHF

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    RESONANCE ENGLISH|Exercise Exercise 3|13 Videos
  • COMMUNICATION SYSTEMS

    RESONANCE ENGLISH|Exercise Exercise 1|40 Videos
  • CAPACITANCE

    RESONANCE ENGLISH|Exercise High Level Problems|16 Videos
  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise High Level Problems (HIP)|19 Videos
RESONANCE ENGLISH-COMMUNICATION SYSTEMS-Exercise 2
  1. Range of frequencies alotted for commerical FM radio broad cast is

    Text Solution

    |

  2. Intelset satellite works as a -

    Text Solution

    |

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

    Text Solution

    |

  4. A T.V. tower has a height 150m. What is the population density around ...

    Text Solution

    |

  5. Which of the following is not a transducer?

    Text Solution

    |

  6. Long distance radio broadcasts use short wave bands. Explain why?

    Text Solution

    |

  7. The carrier frequency generated by a circuit containing 1 nF capacitor...

    Text Solution

    |

  8. the attenution in optical fibre is mainly due to

    Text Solution

    |

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

    Text Solution

    |

  10. AM is used for broadcasting because

    Text Solution

    |

  11. Range of frequencies alotted for commerical FM radio broad cast is

    Text Solution

    |

  12. A sept index fibre has a relavitive refractive index of 0.88%. What is...

    Text Solution

    |

  13. In which frequency range space waves are normally propagated

    Text Solution

    |

  14. If mu and mu(2) are the refractive indices of the materials of core an...

    Text Solution

    |

  15. Through which mode of propagation the radio waves can be sent from one...

    Text Solution

    |

  16. For VHF television broadcasting, the frequency employed is generally

    Text Solution

    |

  17. The radio waves of frequency 30 MHz to 300 MHz belong to

    Text Solution

    |

  18. An antenna behaves as resonant circuit only when its length is

    Text Solution

    |

  19. The electromagnetic waves of frequency 80 MHz to 200 MHz

    Text Solution

    |

  20. An oscillator is producing FM waves of requency 2kHz with a variation ...

    Text Solution

    |