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Questions and Answers
What is the speed of light in vacuum?
299792458 m/s
What are the usual wavelengths for visible light?
400–700 nanometres (nm)
What are the primary properties of light?
Intensity, propagation direction, frequency or wavelength spectrum, and polarization
What are the frequencies corresponding to visible light?
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What are the types of electromagnetic radiation that can be considered as light?
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