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Questions and Answers
What is the speed of light in vacuum?
What is the speed of light in vacuum?
- 299,792,458 m/s (correct)
- 300,000,000 m/s
- 200,000,000 m/s
- 400,000,000 m/s
Which of the following is considered visible light?
Which of the following is considered visible light?
- Wavelengths longer than 400 nanometres
- Wavelengths longer than 700 nanometres
- Wavelengths shorter than 400 nanometres
- Wavelengths in the range of 400–700 nanometres (correct)
What are the primary properties of light?
What are the primary properties of light?
- Frequency, temperature, size, and polarization
- Intensity, mass, color, and speed
- Frequency, speed, direction, and energy
- Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
What represents the quanta of electromagnetic field?
What represents the quanta of electromagnetic field?
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What is the main source of natural light on Earth?
What is the main source of natural light on Earth?
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Study Notes
Properties of Light
- The speed of light in vacuum is approximately 299,792,458 meters per second (m/s) or 186,282 miles per second (mi/s).
Visible Light
- Visible light is considered to be electromagnetic radiation with wavelengths between 400-700 nanometers (nm).
Primary Properties of Light
- The primary properties of light include wavelength, frequency, amplitude, and speed.
Electromagnetic Field
- Photons represent the quanta of the electromagnetic field.
Natural Light Source
- The main source of natural light on Earth is the Sun.
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Description
Test your knowledge of visible light and electromagnetic radiation with this quiz! Explore the characteristics, properties, and behavior of light waves, wavelengths, and frequencies. See how much you know about this fascinating aspect of physics.
