2. Which of the following is TRUE about the speed in a vacuum of these colors of light?
A. All colors of light have equal speeds in a vacuum.
B. Al colors of light have varying speeds in a vacuum
C. When the wavelength is long, the frequency is low
D. When the wavelength is long, the frequency is high
A. All colors of light have equal speeds in a vacuum.
B. Al colors of light have varying speeds in a vacuum
C. When the wavelength is long, the frequency is low
D. When the wavelength is long, the frequency is high
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Answer:
B
Explanation:
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