Analysis of Reasons for No Light Output from the Spectrometer

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Instrument malfunctions can prevent a spectrophotometer from delivering a reading. It operates by passing a light beam through a sample and detecting the intensity of light before and after its interaction with the sample. Its effect is most pronounced when measuring samples with high absorbance (low transmittance). A spectrophotometer is an instrument that takes advantage of the selective absorption of light by substances and uses purer monochromatic light as incident light to measure the absorption of light by substances, to perform qualitative or quantitative analysis of substances.

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