Podcast
Questions and Answers
What is the range of wavelengths typically defined as visible light?
What is the range of wavelengths typically defined as visible light?
- 600–900 nanometres
- 200–500 nanometres
- 800–1000 nanometres
- 400–700 nanometres (correct)
Which of the following is NOT considered light in physics?
Which of the following is NOT considered light in physics?
- X-rays
- Microwaves
- Gamma rays
- Sound waves (correct)
What are the primary properties of light?
What are the primary properties of light?
- Color, transparency, reflection, and refraction
- Speed, amplitude, frequency, and phase
- Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
- Temperature, pressure, velocity, and density
What is the main source of natural light on Earth?
What is the main source of natural light on Earth?
What are the massless elementary particles that represent the quanta of electromagnetic field?
What are the massless elementary particles that represent the quanta of electromagnetic field?
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