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10 questions from this quiz
Electric and magnetic fields
Yes, they do not need a medium
James Clerk Maxwell
c=3.0×108 m⋅s−1c = 3.0 \times 10^8 \ m \cdot s^{-1}c=3.0×108 m⋅s−1
Gamma rays
400 nm400 \ \mathrm{nm}400 nm to 700 nm700 \ \mathrm{nm}700 nm
Visible light, radio, microwaves
Sound disappears, light unchanged
EM waves do not require a medium
About 8 minutes 20 seconds
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