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In a communication system operating at w...

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`)

A

`3.75xx10^(6)`

B

`3.86xx10^(6)`

C

`6.25xx10^(5)`

D

`4.87xx10^(5)`

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