Home
Class 12
PHYSICS
An optical fibre communication system wo...

An optical fibre communication system works on a wavelength of `1.3xx10^(-6) m`. The number of subscribers it can feed if a channel required `20kHz` are

A

`2.3xx10^(10)`

B

`1.15xx10^(10)`

C

`1xx10^(5)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • PRACTICE SET 23

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Paper-1(PHYSICS & CHEMISTRY)|50 Videos

  • RAY OPTICS

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise EXERCISE 2 (MISCELLANEOUS PROBLEMS)|19 Videos

Similar Questions

Explore conceptually related problems

An optical fibre communication system works on a wavelength of 1.3 mu_(m) . The number of subscribers it can feed if a channel required 20kHz are

Consider an optical communication system operating at a wavelength of 800 mm and only 1 % of the optical source frequency is the available channel bandwidth for communication. How many channels (in multiple of 10 )-can be accommodated for transmitting audio signals requiring a bandwidth of 8kHz ?

An optical communication system, having an operating wavelength, lambda (in meters), can use only x% of its sourcefrequency as its channel band width.The system is to be used for transmitting TV signal requiring a band width of F hertz. How many channels can this system transmit simultaneously?

An optical communication system, having an operating wavelength, lambda (in meters), can use only x% of its sourcefrequency as its channel band width.The system is to be used for transmitting TV signal requiring a band width of F hertz. How many channels can this system transmit simultaneously?

In a communication system operating at wavelength 800 nm, only one percent of source frequency is a available as signal bandwidth. The number of channels accomodated for transmitting TV signals of band width 6 MHz are (Take velocity of light c=3xx10^(8)m//s, h=6.6xx10^(-34)J-s )

Optical communication system having an operating wavelength lambda metre can use only x % of its source frequency as its channel band width. The system is to be used for transmitting T.V signals requiring a band width of F hertz. How many channels can this system transmit simultaneously? Show graphically how this number of channels varies with operating wavelength of the system.

1% of 10^12 Hz of a satellite link was used for telephony . What is the number of channels (or subscribers ) , if the bandwidth of each channel is 8 KHz ?

Consider an optical communication system operating at lambda=800 nm . Suppose, only 1% of the optical source frequency is the available channel bandwidth for optical communication. How many channels can be accommondated for transmitting audio signals requiring a bandwidth of 8kHz

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 24-Paper 1 (Physics and Chemistry)
  1. Which of the following can cause the null point of a potentiometer to ...

    Text Solution

    |

  2. A bus moving on a level road with a velocity v can be stopped at a dis...

    Text Solution

    |

  3. A block of mass 2 kg is at rest on a floor . The coefficient of static...

    Text Solution

    |

  4. The resistance of a galvanometer is 50 ohm and the current required to...

    Text Solution

    |

  5. A long magnet is cut in two parts in such a way that the ratio of thei...

    Text Solution

    |

  6. Liquids and gases never exhibit

    Text Solution

    |

  7. The initail and final position vectors for a particle are respectively...

    Text Solution

    |

  8. For long distance transmission , the AC is stepped up because at high...

    Text Solution

    |

  9. The inductive reactance of a coil of 0.2 H inductance at a frequecy o...

    Text Solution

    |

  10. An alternating voltage V = V(0) sin omegat is applied across a circuit...

    Text Solution

    |

  11. Find the component of vector A = 2hati + 3 hat j along the direction ...

    Text Solution

    |

  12. The colour of bright fringe nearest central achromatic fringe in the i...

    Text Solution

    |

  13. A parallel beam of monochromatic unpolarised light is incident on a tr...

    Text Solution

    |

  14. A cathode ray tube has a potential difference of V between the cathode...

    Text Solution

    |

  15. The work function of a metal surface is 4.2 eV. The maximum wavelength...

    Text Solution

    |

  16. If the ionization energy for the hydrogen atom is 13.6 eV , the energy...

    Text Solution

    |

  17. An optical fibre communication system works on a wavelength of 1.3xx10...

    Text Solution

    |

  18. The output of OR gate is 1

    Text Solution

    |

  19. In LED visible light is produced by

    Text Solution

    |

  20. A transistor is a/an

    Text Solution

    |