Question: 10. Explain how astronomers are able to determine the frequency of a wave if they only know the wavelength? 11. Which travels faster, a radio

10. Explain how astronomers are able to determine the frequency of a wave if they only know the wavelength? 11. Which travels faster, a radio wave or U.V light? ___________ 12. If the wavelength of light is doubled, what will happen to the frequency? _________ 13. a. Which contains more energy, Infrared or Visible light? _________ b. Which has more energy, blue or red light? _________

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