Calculate the Rf value of a compound with the data given below (please provide your answer to two decimal places (ex. 0.05): Distance moved by compound: 20 mm Time of elution: 45 seconds Width of TLC plate used: 50 mm Distance moved by the mobile phase: 80 mm Length of TLC Plate used: 91 mm

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UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.