What is the purpose of a matrix modifier in atomic spectroscopy?

Why is there no zero point energy associated with roational spectroscopy.

Describe the units of IR in relation to frequency and energy and describe the functions of an FT-IR spectrometer.

What is the purpose of cobalt blue glass in spectroscopy?

Compare the advantages and disadvantages of atomic absorption and inductively coupled plasma Atomic emission spectroscopy.

Explain what is Single molecule Surface-Enhanced Raman Spectroscopy.

Identify and provide an explanation of the operational principles behind an Atomic Absorption Spectrometer.

What kind of molecular weight do you generally get from light-scattering photometry?

(i) Explain how the mass of the particle(s) involved affects the separation between energy levels in quantum mechanics. (ii) Explain why the sensitivity of an NMR experiment is affected by the strength of the applied magnetic field. (iii) Explain why, to a good approximation, rotational and vibrational transitions do not change the energies of electrons.

What are the different types of Monochromator in IR spectroscopy? Explain each of them?  Please explain at your own words.