17. Which has the greater energy, light of wavelength 591 nm or light with a frequency of 5.42 x 1012 sec-1? 18. Which has the greater wavenumber, light with a frequency of 7.34 x 1013 sec-1 or light with an energy of 5.23 x 10-14 J? 19. Which has the lower energy, light with a frequency of 7.14 x 1013 sec-1 or light with a wavenumber of 1.91 x 104 cm-1?

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Q: decreasing energy

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