In this lesson, we will learn how to model electromagnetic waves as propagating electric and magnetic fields.
Students will be able to
Q1:
Electromagnetic waves propagate through rubber that has a refractive index of 1.5. The electric permittivity of the rubber is 3.0Ć10ļ±ļ§ļØ C2/Nā m2. What is the magnetic permeability of the rubber?
Q2:
Which of the following formulas correctly shows the relation between š, the speed at which electromagnetic waves propagate through a medium; š, the electric permittivity of the medium; and š, the magnetic permeability of the medium?
Q3:
At what speed do electromagnetic waves propagate in a vacuum? Answer to two significant figures.
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