When a distant star explodes, a visible light telescope and s radio telescope located on earth receive signals from the exploding star at the same time
which feature of the electromagnetic theory does the evidence support
A. Visible light waves are more energetic than radio waves
B. Radio wavelengths are longer than visible light wavelengths
C. Electromagnetic radiation can have a wide range of frequencies
D. The speed of electromagnetic waves is independent on wavelength
Answers: 2
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