5 Questions
What are the primary properties of light?
Intensity, propagation direction, frequency or wavelength spectrum, and polarization
What is the speed of light in vacuum?
299792458 m/s
What range of wavelengths is usually defined as visible light?
400–700 nanometres (nm)
What are the massless elementary particles that represent the quanta of electromagnetic field?
Photons
In physics, what may the term 'light' refer to more broadly?
Electromagnetic radiation of any wavelength, whether visible or not
Test your knowledge of visible light and electromagnetic radiation with this quiz! Explore the properties, wavelengths, and frequencies of light in the electromagnetic spectrum.
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