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3-3-13
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Terms in this set (10)
Single-mode (SM) fiber has ? light-carrying core than(as) multimode (MM) fiber.
a smaller
What is the core size of single-mode fiber?
9 microns
Single-mode fiber has ? bandwidth than(as) multimode fiber.
more
What wavelengths are appropriate for use with multimode fiber?
850 and 1,300 nm
The diameter of the core in OM2 and OM3 multimode fiber is how large?
50 microns
Which of the following fiber specifications is most important to the user and is an important factor in testing?
Attenuation
The largest contributor to fiber attenuation is ? .
scattering
Which fiber typically has the largest core?
Plastic optical fiber (POF)
The loss of a multimode graded index fiber is greatest at ?
850 nm
Which type of dispersion affects single-mode fiber as well as multimode fiber?
Chromatic
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Verified questions
CHEMISTRY
True or false: For the noble gases the dispersion forces decrease while the boiling points increase as you go down the column in the periodic table.
CHEMISTRY
Detailed calculations show th at the value of $$ Z_{eff} $$ for the outermost electrons in Si and Cl atoms is 4.29+ and 6.12+, respectively. Predict $$ Z_{eff} $$ for a valence electron in P, phosphorus, based on the calculations for Si and Cl.
PHYSICAL SCIENCE
Which element is present in all organic compounds? A. silicon B. oxygen C. nitrogen D. carbon
CHEMISTRY
Diazomethane is a highly poison ous, explosive compound because it readily evolves $N_2$. Diazomethane has the following composition by mass: 28.57% C; 4.80% H; and 66.64% N. The molar mass of diazomethane is 42.04 g/mol. Find the molecular formula of diazomethane , draw its Lewis structure, and assign formal charges to each atom. Why is diazomethane not very stable? Explain.