2) The electromagnetic radiation of wavelength λ shown below is typically used in the UV-Vis, the microwave, and NMR spectrometers. a. 0.5 µm (visible radiation, 500 nm, green color used in UV-Vis); b. 0.5 mm (microwave radiation); c. 0.5 m (radio-frequency radiation used in NMR); a) Calculate photon energy Ephoton in each case. b) What is the name of scientist who proposed numeric constant in the formula?
Electronic Transitions and Spectroscopy
The term “electronic” connotes electron, and the term “transition” implies transformation. In a molecule, the electrons move from a lower to a higher energy state due to excitation. The two energy states, the ground state and the excited state are the lowest and the highest energy states, respectively. An energy change is observed with this transition, which depicts the various data related to the molecule.
Photoelectron Spectroscopy
Photoelectron spectroscopy (PES) is a part of experimental chemistry. It is a technique used in laboratories that involves projecting intense beams of radiation on a sample element. In response, the element ejects electrons for which the relative energies are measured.
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