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Questions and Answers
According to Bohr's relation, the energy of the absorbed or emitted photon is related to the energy levels E1 and E2 through which of the following?
What is the basis of quantitative spectral analysis?
What happens when a beam of light containing all wavelengths within an interval is irradiated on a sample and a decrease in intensity is observed around certain wavelengths?
In quantitative absorption analysis, the proportionality of the intensity of the spectral lines is related to what factor?
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In which field of study are atomic absorption spectra commonly used?
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What does the total amount of allowed energetic levels for the atoms of a chemical element form?
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What law states that the light absorption coefficient in a solution is proportional to the molar concentration of the absorbing molecules?
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What is the absorption index measured in according to the text?
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Why do electrons jump to higher energy states in an atom?
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What type of method is spectral analysis for studying the chemical composition of substances?
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What role does the law of the absorption of radiation play in according to the text?
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What is the aim of laboratory practice involving a photocolourimeter?
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