At some time t the time-varying magnetic field component of an
electromagnetic wave is pointed in the -xˆ direction. If the
electromagnetic wave velocity is in the -zˆ direction, what is the
direction of the time-varying electric field component of this wave
at t?
Please explain the reasoning behind the answer
A. yˆ
B. -yˆ
C. -zˆ
D. zˆ
Describe Maxwell's predictions and electromagnetic
waves.
In your own words, explain electromagnetic spectrum and give
examples.
In your own words, explain Doppler effect for the
electromagnetic waves and red shift.
ANSWER IT ALL OR DONT ANSWER. TY.
A cell phone sends and receives electromagnetic waves in the
microwave frequency range.
a) Explain the physics of how an oscillator creates these waves.
b) Research the possible side effects of using cell phones.
Citing at least three websites
that you consider reliable, write a short 100- to 150-word
paragraph summarizing
three main conclusions based on your research and your opinion;
in other words, will
your cell phone usage change, based on what you have
learned?