10. Why is water blue? A. Because blue light has smaller wavelengths than red and green light. B. Because the energy emitted from the sun is more concentrated in the blue wavelength regions. C. Because water absorbs longer wavelengths more than shorter wavelengths. D. Because water absorbs shorter wavelengths more than longer wavelengths. 11. Which wavelength can be most useful for imaging from a satellite in cloud-covered conditions? A. 0.4 µm B. 0.4 nm C. 1.4 µm D. 4 cm E. 4 nm 12. Why does vegetation look green? A. Because vegetation absorbs light in the green range of the spectrum. B. Because vegetation reflects light for wavelengths in the green range of the spectrum. C. Because chlorophylls has a flat reflectance curve regardless of wavelength. D. Because the eye is sensitive to light corresponding to wavelengths in the green range of the spectrum. E. Because green light has higher wavelength than red and blue light.
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10. Why is water blue? A. Because blue light has smaller wavelengths than red and green light. B. Because the energy emitted from the sun is more concentrated in the blue wavelength regions. C. Because water absorbs longer wavelengths more than shorter wavelengths. D. Because water absorbs shorter wavelengths more than longer wavelengths. 11. Which wavelength can be most useful for imaging from a satellite in cloud-covered conditions? A. 0.4 µm B. 0.4 nm C. 1.4 µm D. 4 cm E. 4 nm 12. Why does vegetation look green? A. Because vegetation absorbs light in the green range of the spectrum. B. Because vegetation reflects light for wavelengths in the green range of the spectrum. C. Because chlorophylls has a flat reflectance curve regardless of wavelength. D. Because the eye is sensitive to light corresponding to wavelengths in the green range of the spectrum. E. Because green light has higher wavelength than red and blue light.