An optical fiber for telecommunication is made of SiO2 glass (density = 2.20 Mg/m'). How many Si atoms and how many O atoms are present per millimeter of length (L=1 mm) of a fiber 10 um in diameter (d=10 mm)?

An optical fiber for telecommunication is made of SiO2 glass (density = 2.20 Mg/m'). How many Si atoms and how many O atoms are present per millimeter of length (L=1 mm) of a fiber 10 um in diameter (d=10 mm)?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

The Space Lattice and Unit Cells

Every matter consists of atoms, molecules, and ions. If these atoms, molecules, and ions (micro-particles) are represented in a three-dimensional space-occupying certain specific points in space, then these arrangements are termed as space lattices and the specific points which are being occupied by atoms, molecules and ions are termed as lattice points. The atoms, molecules, and ions at the lattice points are generally grouped in a regular fashion and repeat periodically at the three-dimensional space.

Question

An optical fiber for telecommunication is made of SiO2 glass (density = 2.20 Mg/m'). How
many Si atoms and how many O atoms are present per millimeter of length (L=1 mm) of a
fiber 10 um in diameter (d=10 mm)?
Given:
M(Si)=28.09 g/mole
M(O)=16 g/mole
Avogadro's Number: AN = 0.6203 (10)24

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