Home
Class 12
PHYSICS
AN information signal of 150MHz is to be...

AN information signal of 150MHz is to be sent across a distance of 40km. Which mode of communication is suitable?

A

Ground wave propagation

B

Space wave propagation

C

Sky wave propagation

D

Satellite communication

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION C (Linked Comprehension)|4 Videos
  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos
  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION A Objective (Only one answer)|34 Videos
  • ATOMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION J (Aakash Challengers )|5 Videos
  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-J|10 Videos

Similar Questions

Explore conceptually related problems

An information signal of 150 MHz to be sent across a distance of 40 km. Which mode of communication is suitable?

A transmitting antenna of height 20 m and the receiving antenna of height h are separated by a distance of 40km for satisfactory communication in line of sight mode. Then the value of h is

A transmitting antenna of height 20 m and the receiving antenna of height h are separated by a distance of 40km for satisfactory communication in line of sight mode. Then the value of h is

Which of the following is an example of broadcast mode of communication?

Which of the following is an example of broadcast mode of communication?

Bike A covers a distance of 145 km in 1.5 h. Bike B covers a distance of 200 km in 2 h. Which of the two bikes is faster?

which is a mode of long distance transfer

What does the term LOS communication mean? Name the types of waves that are used for this communication. Which of the two height of transmitting antenna and height of receiving antenna can effect the range over which this mode of communication remains effective?

A: Transducer in communication system converts electrical singal into a physical quantity. R: For information signal to be transmitted directly to long distances, modulation is not a necessary process.

Which of the following is an example of point to point communication mode?

AAKASH INSTITUTE ENGLISH-COMMUNICATION SYSTEMS -ASSIGNMENT SECTION B Objective (Only one answer)
  1. Which of the following is an advantage of FM over AM?

    Text Solution

    |

  2. The process of changing some characteristic of a carrier wave in accor...

    Text Solution

    |

  3. Modulation is done in

    Text Solution

    |

  4. 'Need for modulation'' arises due to which of the following reasons?

    Text Solution

    |

  5. The area of the region covered by the TV., broadcast by a T.V. tower o...

    Text Solution

    |

  6. A ground receiver station is receiving a signal at 500 MHz transmitted...

    Text Solution

    |

  7. AN information signal of 150MHz is to be sent across a distance of 40k...

    Text Solution

    |

  8. In an AM wave for audio frequency of 3400 cycle/s, the appropriate car...

    Text Solution

    |

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

    Text Solution

    |

  10. On a particular day the maximum frequency reflected from the lonospher...

    Text Solution

    |

  11. Line of sight (LOS) communication is also known as

    Text Solution

    |

  12. If a carrier wave of 1000 kHz is used to carry the signal, the length ...

    Text Solution

    |

  13. Modem is a device used for

    Text Solution

    |

  14. In frequency modulation

    Text Solution

    |

  15. The communication satellites are parked at a height of (from surface o...

    Text Solution

    |

  16. 3-30 MHz frequency range is known as

    Text Solution

    |

  17. Long distance short-wave radio broadcasting uses

    Text Solution

    |

  18. A photodetector is made from a compound semiconductor with band gap 0....

    Text Solution

    |

  19. What is the range of frequencies used in state satellite communication...

    Text Solution

    |

  20. Digital signals

    Text Solution

    |