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Questions and Answers
What acronym is commonly used to help remember the colors of the visible spectrum in order?
What acronym is commonly used to help remember the colors of the visible spectrum in order?
- Roy V. G. Bi
- Vib G. Roy
- Biv Roy G.
- Roy G. Biv (correct)
Which color in the visible spectrum has the longest wavelength?
Which color in the visible spectrum has the longest wavelength?
- Violet
- Blue
- Green
- Red (correct)
Which of the following statements about the visible spectrum is correct?
Which of the following statements about the visible spectrum is correct?
- All colors have the same wavelength.
- Each color in the visible spectrum corresponds to a specific wavelength range. (correct)
- The visible spectrum includes colors beyond violet.
- The human eye can see all wavelengths emitted by light sources.
What type of light waves are beyond the visible spectrum?
What type of light waves are beyond the visible spectrum?
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How are variations of color perceived within the defined regions of a single color?
How are variations of color perceived within the defined regions of a single color?
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Study Notes
The Visible Spectrum
- Comprises colors visible to the human eye, arranged in a spectrum.
- Colors in order: red, orange, yellow, green, blue, indigo, violet, remembered by the acronym Roy G.Biv.
Color Properties
- Each color corresponds to specific wavelength ranges measured in nanometers (billionths of a meter).
- Human eyes are sensitive to a narrow wavelength band of visible light.
- Within each color region, there are variations perceived at the borders, resulting in a range of hues.
Wavelength Characteristics
- Red has the longest wavelength, while violet has the shortest wavelength.
Beyond the Visible Spectrum
- Wavelengths beyond visible light are invisible to humans, including:
- Ultraviolet waves
- Infrared waves
- Gamma rays
- X-rays
- Radio waves
- Microwaves
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