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Questions and Answers
What is the speed of light in vacuum?
What is the speed of light in vacuum?
- 200,000,000 m/s
- 300,000,000 m/s
- 299,792,458 m/s (correct)
- 400,000,000 m/s
What range of wavelengths is defined as visible light?
What range of wavelengths is defined as visible light?
- 600–800 nanometres (nm)
- 200–500 nanometres (nm)
- 350–750 nanometres (nm)
- 400–700 nanometres (nm) (correct)
What are the primary properties of light?
What are the primary properties of light?
- Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
- Color, speed, frequency, and amplitude
- Refraction, diffraction, interference, and polarization
- Energy, wavelength, speed, and direction
Which term refers more broadly to electromagnetic radiation of any wavelength, whether visible or not?
Which term refers more broadly to electromagnetic radiation of any wavelength, whether visible or not?
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What represents the quanta of electromagnetic field in the context of light?
What represents the quanta of electromagnetic field in the context of light?
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