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topic 4
em waves
Radiowaves
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Created by
Fiki akinsanya
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Cards (9)
do
radio waves
have the longest
wavelength
and the shortest
frequency
Yes
How are the generated radio waves
Generated through a transmitter which is connected to an oscilloscope to see the frequency of the wave
How are they received
Received
by a
recover
absorbs the energy from the wave into an
ac
is the
frequency
used to generate the wave the same as the frequency received by the wave
Yes
What are radio waves used for
communication
What are the three types of radio waves
Long
,
short
,
shorter
How do long waves travel
The
refract
around the surface of the
earth
and are able to be used in short distances
How do short waves travel
Reflected from the
ionsphere
How do shorter waves travel
Directly from the receiver to the transmitter