a) Consider a light wave traveling through air and reflecting off of two nonmagnetic pieces of glass: piece 1 and piece 2. Piece 1 has a relative permittivity of 2.89 and gives a field reflection coefficient ₁. Piece 2 has a relative permittivity of 2.25 and gives a field reflection coefficient ₂. Which is larger ₁ or ₂1? (Note: ₁ corresponds to reflections at the interface of air and piece 1, and ₂ corresponds to reflections at the interface of air and piece 2.) b) Consider a radio wave reflecting from a perfect conductor. The electromagnetic wave formed from the incident and reflected waves will form a standing wave. What is the standing-wave ratio associated with this wave pattern?

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a) Consider a light wave traveling through air and reflecting off of two
nonmagnetic pieces of glass: piece 1 and piece 2. Piece 1 has a relative
permittivity of 2.89 and gives a field reflection coefficient ₁. Piece 2 has a
relative permittivity of 2.25 and gives a field reflection coefficient [₂. Which
is larger ₁ or ₂1? (Note: ₁ corresponds to reflections at the interface of
air and piece 1, and r₂ corresponds to reflections at the interface of air and
piece 2.)
b) Consider a radio wave reflecting from a perfect conductor. The
electromagnetic wave formed from the incident and reflected waves
will form a standing wave. What is the standing-wave ratio
associated with this wave pattern?
Transcribed Image Text:a) Consider a light wave traveling through air and reflecting off of two nonmagnetic pieces of glass: piece 1 and piece 2. Piece 1 has a relative permittivity of 2.89 and gives a field reflection coefficient ₁. Piece 2 has a relative permittivity of 2.25 and gives a field reflection coefficient [₂. Which is larger ₁ or ₂1? (Note: ₁ corresponds to reflections at the interface of air and piece 1, and r₂ corresponds to reflections at the interface of air and piece 2.) b) Consider a radio wave reflecting from a perfect conductor. The electromagnetic wave formed from the incident and reflected waves will form a standing wave. What is the standing-wave ratio associated with this wave pattern?
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