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?
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?
Updated On: Mar 19, 2025
- 375 × 107
- 75 × 107
- 375 × 108
- 75 × 109
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The Correct Option is B
Solution and Explanation
The correct option is(B): 75 × 107
\(v=fλ\)
⇒ Channels
\(\frac{\frac{2}{100}×3×10^{14}}{8×10^3}=75×10^7\)
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