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Questions and Answers
What is the speed of light in vacuum?
What is the speed of light in vacuum?
- 294792458 m/s
- 300000000 m/s
- 299792458 m/s (correct)
- 310000000 m/s
What are the primary properties of light?
What are the primary properties of light?
- Energy, velocity, wavelength, and frequency
- Refraction, diffraction, interference, and polarization
- Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
- Speed, color, frequency, and amplitude
What is the usual range of wavelengths for visible light?
What is the usual range of wavelengths for visible light?
- 450–750 nanometres (nm)
- 200–800 nanometres (nm)
- 400–700 nanometres (nm) (correct)
- 300–600 nanometres (nm)
What does the term 'light' refer to in physics?
What does the term 'light' refer to in physics?
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What represents the quanta of the electromagnetic field?
What represents the quanta of the electromagnetic field?
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