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Raman spectroscopy differs from IR spectroscopy in a few fundamental ways. Shop emission+spectroscopy+la ... light is produced and the gas glows. Spectroscopy. Introduction to spectroscopy How do we know what the stars or the Sun are made of? ; Measure the wavelengths of light emitted by hydrogen and identify the el ectronic transition that gave rise to each wavelength using Bohr’s theory. Build and calibrate a simple spectroscope capable of measuring wavelengths of visible light. Presentation transcript: 1 Flame Test Virtual Lab Make-up Lab. The light of celestial objects contains much information hidden in its detailed color structure. Energy levels or "shells" exist for electrons in atoms and molecules. Experiment 10: ATOMIC SPECTROSCOPY 117 Purpose: Part I: Verify that Bohr’s theory on the structure of the H atom is correct, and determine the electron transition corresponding to each spectral line in the H emission spectrum. 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