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Questions and Answers
What is the relationship between wavelength and frequency as observed in visible light?
What is the relationship between wavelength and frequency as observed in visible light?
- They are inversely related to each other. (correct)
- They have no relationship.
- They are directly related to each other.
- They can either be direct or inverse.
Which color of light has the longest wavelength?
Which color of light has the longest wavelength?
- Violet
- Red (correct)
- Blue
- Yellow
What is the frequency of red light in terahertz?
What is the frequency of red light in terahertz?
- 530 terahertz
- 300 terahertz
- 430 terahertz (correct)
- 400 terahertz
As we move from red to violet in the visible spectrum, what happens to the wavelengths?
As we move from red to violet in the visible spectrum, what happens to the wavelengths?
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Which color of light has the highest frequency?
Which color of light has the highest frequency?
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Study Notes
Relationship of Wavelength and Frequency
- Wavelength and frequency are inversely related; as one increases, the other decreases.
- Red light presents the lowest frequency within the visible spectrum, with a frequency of 430 terahertz.
Visible Light Region of the Electromagnetic Spectrum
- The electromagnetic spectrum includes a range of light visible to the human eye.
- Red light has the longest wavelength at approximately 700 nanometers (nm).
- As the spectrum transitions from red to violet, the wavelengths shorten and frequencies increase.
- Violet light, at the opposite end of the spectrum, has the shortest wavelength and the highest frequency, also measured at 430 terahertz.
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