Home
Class 11
PHYSICS
General communication is NOT preferred o...

General communication is NOT preferred over optical wire communication because

A

it can be easily tapped.

B

it is more efficient.

C

it has signal security.

D

it cannot be jammed as easily as radio waves.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Critical Thinking|34 Videos
  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Competitive Thinking|46 Videos
  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

Bandwidth of optical fibre communication is

What is communication system?

What is community?

AC signal is preferred over DC signal because

Amplitude modulation is useful for broadcasting in communication systems because

Major parts of communications systems are:

TARGET PUBLICATION-COMMUNICATION SYSTEMS-Evaluation Test
  1. General communication is NOT preferred over optical wire communication...

    Text Solution

    |

  2. The critcal frequency for sky wave propagation if maximum number dens...

    Text Solution

    |

  3. Frequencies higher than 5 MHz are found not to be reflected by the io...

    Text Solution

    |

  4. A TV tower has a height of 150m. By how much the height of tower be in...

    Text Solution

    |

  5. How much time is taken by an information to pass from one place to ano...

    Text Solution

    |

  6. Amplitude modulation is useful for broadcasting in communication syste...

    Text Solution

    |

  7. Assertion : Communication in UHF/ VHF regions can be established by sp...

    Text Solution

    |

  8. In satellite communication 1. The frequency used lies between 5 MHz ...

    Text Solution

    |

  9. Assertion : A dish antenna is highly directional . Reason : This i...

    Text Solution

    |

  10. Assertion : Modulation index is the degree to which the carrier wave i...

    Text Solution

    |

  11. In an amplitude modulated wave for audio frequency of 400 cycles/secon...

    Text Solution

    |

  12. The minimum voltage in an amplitude modulated wave is 3 V and maximum ...

    Text Solution

    |

  13. A 3000 kHz carrier is modulated with 500 Hz audio signals. The frequ...

    Text Solution

    |

  14. A sinusoidal carrier wave of frequency 1 MHz and amplitude 100 V is am...

    Text Solution

    |

  15. The total population covered by the T . V . Tower of height 200 m, if...

    Text Solution

    |

  16. The number of AM broadcast stations that can be accommodated in a band...

    Text Solution

    |