Lab #5 - Optical Spectroscopy

Lab #5 - Optical Spectroscopy - Results and Discussions The...

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Results and Discussions: The emission spectra of various sources including fluorescent light, incandescent light, helium, salt solutions and hydrogen were examined and analyzed using a spectroscope and spectrometer. Using the data collected from the emission spectra, the identity of an unknown salt solution was determined. In addition the observations of the hydrogen emission spectra were used to construct a partial energy level diagram for the element. Diffraction Grating First the diffraction grating was used to observe the incandescent light bulb. A continuous spectra of the colors red, orange, yellow, green, blue, & violet then its mirror image was observed in that order. The spectra appeared in the order from shortest – longest wavelength. After the incandescent bulb, the diffraction grating was used to observe the fluorescent light. The observations of the fluorescent light were similar to those of the incandescent light.
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