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Nitrate
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Homework Statement
which are properties of all Electromagnetic radiation
I the travel at the speed of light in space
II they propagate through the creation of mutually perpendicular electric and magnetic fields
III they are constant and do not vary with time
IV they have the same frequency and wavelength
Homework Equations
The Attempt at a Solution
solutions:
a) I only
b) I and II
c) I and III
d) I and IV
the only one I am sure about is II
and the only answer that has that is b) but I'm not sure if I is correct
ive also ruled out IV as an answer
any relevant links that can help me out would be appreciated
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