How much bandwith is there in 0.1 micron of spectrum at a wavelength o

1.	How much bandwith is there in 0.1 micron of spectrum at a wavelength of 1 micron ?
A.	20,000 GHz
B.	25,000 GHz
C.	30,000 GHz
D.	None of these
Answer» D. None of these

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