A typically structured glass multimode step index fiber shows as variation of attenuation in range of ___________

1.6 to 60 dB km -1 at wavelength 0.90 m

1.2 to 90 dB km-1 at wavelength 0.69 m

3.2 to 30 dB km-1 at wavelength 0.59 m

2.6 to 50 dB km-1 at wavelength 0.85 m

1.6 to 60 dB km-1 at wavelength 0.90 m

A typically structured glass multimode step index fiber shows as varia

1.	A typically structured glass multimode step index fiber shows as variation of attenuation in range of ___________
A.	1.2 to 90 dB km<sup>-1</sup> at wavelength 0.69 m
B.	3.2 to 30 dB km<sup>-1</sup> at wavelength 0.59 m
C.	2.6 to 50 dB km<sup>-1</sup> at wavelength 0.85 m
D.	1.6 to 60 dB km<sup>-1</sup> at wavelength 0.90 m
Answer» D. 1.6 to 60 dB km<sup>-1</sup> at wavelength 0.90 m