Podcast
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?
What represents the quanta of the electromagnetic field?
What represents the quanta of the electromagnetic field?