list two features of entrance slit of the spectrometer and explain why they are

Question

list two features of entrance slit of the spectrometer and explain why they are important b) For the transition of an electron from energy level n 2 to n- 1 find 48 i) The change in energy i) The wavelength of the photon emitted 1215 X1o m ii)The part of spectrum to which it belongs wltn viat -7 c) Which transition has a larger energy? he transtion ot oun eledtion the traná tion of our elecéson fren negy lod c2tael f 3. List two features of the entrance slit of the spectrometer and explain why they are important? (3pts) Page 11

Explanation / Answer

3) A spectrometer is an imaging system which maps a plurality of monochromatic images of the entrance slit onto the detector plane. This slit is critical to the spectrometer’s performance and determines the amount of light (photon flux) that enters the optical bench and is a driving force when determining the spectral resolution. Other factors are grating, groove frequency and detector pixel size.

Entrance slit is used to enhance the brightness of the spectrum,

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