The distance of the energy level from the nucleus is important in determining the corresponding peak position in the photoelectron spectrum because the closer the electron, the more interaction and attraction, and the more energy is needed to get rid of that electron.
Spectrum, in physics, is the intensity of mild because it varies with wavelength or frequency. An instrument designed for visual observation of spectra is called a spectroscope, and an instrument that photographs or maps spectra is a spectrograph.
A spectrum is defined as the characteristic wavelengths of electromagnetic radiation (or an element thereof) that are emitted or absorbed by way of an item or substance, atom, or molecule. Examples of a spectrum include the rainbow, the emission colors from the sun, and the infrared absorption wavelengths from a molecule.
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1) Ribosomes
2) Nucleus
3) Mitochondria
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