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An optical commnication system is operat...

An optical commnication system is operating at a wavelenght of `800nm`, it's optical source frequency is

A

`3.8xx10^(14)Hz`

B

`3.8xx10^(12)Hz`

C

`3.8xx10^(10)Hz`

D

`3.8xx10^(9)Hz`

Text Solution

Verified by Experts

The correct Answer is:
A
`c=nlambdaimpliesn=c//lambda`
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Knowledge Check

  • An optical commnication system is operating at a wavelength of 600nm , it's optical source frequency is

    A
    `3.8xx10^(14)Hz`
    B
    `3.8xx10^(12)Hz`
    C
    `3.8xx10^(10)Hz`
    D
    `5xx10^(14)Hz`

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    A
    `4.8xx10^(8)`
    B
    `48`
    C
    `6.2xx10^(8)`
    D
    `4.8xx10^(5)`

  • In a communication system, operating at lamda=700nm, only 1% of the optical source frequency is the available channel band width. How many channels can be accommodated for transmitting the signal requiring an approximate band width of 4.5 MeV ?

    A
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    B
    `9.5xx10^(6)`
    C
    `9.5xx10^(5)`
    D
    `8.5xx10^(4)`

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