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Questions and Answers
What is the speed of light in vacuum?
What is the speed of light in vacuum?
- 299,792,458 m/s (correct)
- 200,000,000 m/s
- 400,000,000 m/s
- 300,000,000 m/s
What are the primary properties of light?
What are the primary properties of light?
- Intensity, refraction, diffraction, and polarization
- Wavelength, speed, amplitude, and frequency
- Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
- Color, speed, propagation medium, and frequency
What range of wavelengths is usually defined as visible light?
What range of wavelengths is usually defined as visible light?
- 300–600 nanometres (nm)
- 200–500 nanometres (nm)
- 600–800 nanometres (nm)
- 400–700 nanometres (nm) (correct)
What represents the quanta of the electromagnetic field?
What represents the quanta of the electromagnetic field?
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In physics, what may the term 'light' refer to?
In physics, what may the term 'light' refer to?
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