Calculate path length L1 if L2 is 20, dispersion coefficient of L2 is – McqOptions

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1.	Calculate path length L1 if L2 is 20, dispersion coefficient of L2 is 17, dispersion coefficient of L1 is -2.25 ps/nmkm.
A.	180 km
B.	30 km
C.	160 km
D.	44 km
Answer» D. 44 km

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