The first generation systems of optical fiber communication have wavel

1.	The first generation systems of optical fiber communication have wavelengths between ___________
A.	0.2 and 0.3 ‚âà√≠¬¨‚à´m
B.	0.4 and 0.6 ‚âà√≠¬¨‚à´m
C.	0.8 and 0.9 ‚âà√≠¬¨‚à´m
D.	0.1 and 0.2 ‚âà√≠¬¨‚à´m
Answer» D. 0.1 and 0.2 ‚âà√≠¬¨‚à´m

Discussion