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Questions and Answers
What is the speed of light in vacuum?
What is the speed of light in vacuum?
- 300000000 m/s
- 350000000 m/s
- 250000000 m/s
- 299792458 m/s (correct)
What are the primary properties of light?
What are the primary properties of light?
- Luminosity, wavelength, speed, and interference
- Amplitude, velocity, frequency, and diffraction
- Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
- Color, energy, speed, and refraction
What are the usual wavelengths for visible light?
What are the usual wavelengths for visible light?
- 350–600 nanometres (nm)
- 600–800 nanometres (nm)
- 400–700 nanometres (nm) (correct)
- 200–500 nanometres (nm)
What are the frequencies of visible light in terahertz?
What are the frequencies of visible light in terahertz?
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What represents the quanta of the electromagnetic field?
What represents the quanta of the electromagnetic field?
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