Luke Edition Elective (3-5) Section 4 "Hydrogen Atomic Spectrum and Energy Level Structure" ppt As early as the 17th century, Newton discovered the dispersion phenomenon of sunlight after passing through a prism, and called the color band obtained in the experiment as the spectrum After the polychromatic light is split by a dispersive system (such as a prism, grating), the monochromatic light that is dispersed is arranged in order according to the wavelength (or frequency)
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