The atomic spectra deals with the measurement of:
Correct answer: D. All of these options
- A. Wavelengths
- B. Intensities of electromagnetic radiations emitted by atoms
- C. Intensities of electromagnetic radiations absorbed by atoms
- D. All of these options
- E. Both B and C
Explanation
The correct answer is D: All of these options. Atomic spectra encompass the study of both the wavelengths and the intensities of electromagnetic radiation emitted and absorbed by atoms. When electrons transition between energy levels, they emit or absorb photons, whose characteristics-like wavelength and intensity-can be measured. Options A, B, and C all address partial aspects of these measurements, but the full scope of atomic spectra includes all these components.
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About Spectroscopy and Analysis
Spectroscopy studies how substances absorb, emit or interact with electromagnetic radiation. Coverage includes ultraviolet-visible absorption, infrared identification of functional groups, Beer-Lambert law, spectral interpretation and the use of spectroscopic data to identify or determine the concentration of chemical substances.
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