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Questions and Answers
What is the speed of light in vacuum in m/s?
What is the speed of light in vacuum in m/s?
- 300000000
- 299792458 (correct)
- 294957293
- 310000000
Which of the following is not a primary property of light?
Which of the following is not a primary property of light?
- Frequency or wavelength spectrum
- Color (correct)
- Propagation direction
- Intensity
What are the wavelengths of visible light in nanometers?
What are the wavelengths of visible light in nanometers?
- 300-600
- 400-700 (correct)
- 600-800
- 200-500
What are the frequencies of visible light in terahertz?
What are the frequencies of visible light in terahertz?
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Which source historically provided light for humans apart from the Sun?
Which source historically provided light for humans apart from the Sun?
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