1. What is the purpose of the narrow slit? Suppose the end of the spectrometer i
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1. What is the purpose of the narrow slit? Suppose the end of the spectrometer is completely open, and the source itself is provided with a narrow slit in front of the bulb (the way sources used to be sold). Would there have to be any adjustment of the spectrometer as a result? If so, what must the adjustment be?
The actual analysis and measurement of light is done by a spectrometer. For a spectrometer to permit wavelength determinations it must perform two tasks Resolve (separate) the incoming light into component colors. Provide the mechanism for associating the appearance of a particular color with its wavelength 1. 2. As shown below, a spectrometer consists of three basic components: the collimator, diffracting element, and the telescope. The platform on which the diffraction grating sits could just as easily accommodate a triangular glass prism. EYE PIECE TELESCOPE RED LIGHT ? COLLIMATOR SLIT COLLIMATOR ANGLE OF DIFFRACTION LIGHT SOURCE GREEN LIGHT PARALLEL BEAM DIFFRACTION GRATING (OR PRISM) The light to be analyzed enters the collimator through a narrow slit positioned at the focal point of the collimator lens. Problem 10: [1 pt]Explanation / Answer
The basic function of a spectrometer is to take in light ,break into its spectral components,digitise the signal as a function of wavelength and read it out and display it through the computer.The first step in this process is to direct light through a fibre optic cable in to the spectrometer through a narrow aperture known as an entrance slit.The slit vignettes the light Asit enters the spectrometer.In most spectrometers, the divergent light is then collimated by a concave mirror and directed into the grating .The grating then disperses the spectral components of the light at slightly varying angles which is then focused by a second concave mirror.
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