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Modern Physics: A telephone line transmits at a frequency f ≈ 5 MHz, and the range...

Modern Physics: A telephone line transmits at a frequency f ≈ 5 MHz, and the range of frequencies (bandwidth) is Δf ≈ 5 KHz. Roughly what is the duration of the shortest pulse (in seconds) that can be sent over this line?

Hint: use ∆t ∆ω ≥ 1/2, then change angular frequency to regular frequency.

Science   Advanced-Physics   
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