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{S1}_29.06.22

Question

Only $2 \%$ of the optical source frequency is the available channel bandwidth for an optical communicating system operating at 1000 nm . If an audio signal requires a bandwidth of 8 kHz , how many channels can be accommodated for transmission

Select the correct option:

A

$375 \times 10^7$

B

$75 \times 10^7$

C

$375 \times 10^8$

D

$75 \times 10^9$

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