What type of spectra was Fowler an expert in?
Emission spectra
Absorption spectra
Reflection spectra
Diffraction spectra
Answer
Emission spectra is the type of spectra that Fowler was an expert in. Emission spectra are produced when an atom or molecule emits light as it transitions from a higher energy state to a lower energy state. The specific wavelengths of light emitted are characteristic of the atom or molecule, and can be used to identify the substance.
Stargazing with Sir Alfred Fowler: An Astronomical Adventure Quiz
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