Home
Class 12
PHYSICS
What is modulation ?...

What is modulation ?

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES OF COMMUNICATION

    BETTER CHOICE PUBLICATION|Exercise NUMERICAL PROBLEMS|9 Videos

  • PRINCIPLES OF COMMUNICATION

    BETTER CHOICE PUBLICATION|Exercise NUMERICAL PROBLEMS|9 Videos

  • POLARISATION OF LIGHT

    BETTER CHOICE PUBLICATION|Exercise Most Expected Questions|4 Videos

  • RADIOACTIVITY

    BETTER CHOICE PUBLICATION|Exercise MOST EXPECTED QUESTIONS |6 Videos

Similar Questions

Explore conceptually related problems

What is a modulator ?

What is the modulation ? What is need for modulation?

What is modulated wave ?

An audio signal of amplitude one-third the carrier amplitude is employed in amplitude modulation. What is the modulation index?

A modulating signal is a square wave, as shown in Fig. 15.14. The carrier wave is given by c(t)=2sin(8 pi t )volts. What is the modulation index? :

BETTER CHOICE PUBLICATION-PRINCIPLES OF COMMUNICATION -SHORT ANSWER TYPE QUESTIONS
  1. Briefly explain the term sky wave propagation.

    Text Solution

    |

  2. What is the need for modulation ?

    Text Solution

    |

  3. What is modulation ?

    Text Solution

    |

  4. What is ozone layer ? Give its importance.

    Text Solution

    |

  5. Answer the following questions The small ozone layer on top of the s...

    Text Solution

    |

  6. What is space wave propagation ? Why is it limited upto small distance...

    Text Solution

    |

  7. What is the need for modulation ?

    Text Solution

    |

  8. Why audio signals cannotbe transmitted directly into space ?

    Text Solution

    |

  9. Explain basic elements of communication system with the help of block ...

    Text Solution

    |

  10. What are the limitations of amplitude modulation ?

    Text Solution

    |

  11. Give one difference between point to point mode of communication and b...

    Text Solution

    |

  12. Why is ground wave propagation not suitable for high frequency ?

    Text Solution

    |

  13. Explain the term ground waves propagation of radio-waves.

    Text Solution

    |

  14. Explain why sky wave propagation is not possible for high frequency ra...

    Text Solution

    |

  15. What is space wave propagation ? Give one example of communication sys...

    Text Solution

    |

  16. Write any two factors, which justify the need of modulation for the tr...

    Text Solution

    |

  17. Explain space wave propagation.

    Text Solution

    |

  18. What do you mean by medium wave band and short wave band ?

    Text Solution

    |

  19. Define frequency modulation.

    Text Solution

    |

  20. What do you mean by medium wave band and short wave band ?

    Text Solution

    |