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1. A Red LED has a vacuum wavelength of 600nm and a line width of 30nm....

1. A Red LED has a vacuum wavelength of 600nm and a line width of 30nm.

(a) What is the center frequency of this wave?

(b) What is the frequency bandwidth?

(c) What is the coherence time of this wave and what does that represent?

(d) What is the coherence length of this wave and what does that represent?

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