What is the principle of absorption spectroscopy? – McqOptions

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1.	What is the principle of absorption spectroscopy?
A.	Bound atoms in the ground state can absorb light of a certain wavelength
B.	Free atoms in the ground state can absorb light of a certain wavelength
C.	Bound atoms in the excited state can absorb light of a certain wavelength
D.	Free atoms in the ground state can absorb radiation energy of a certain wavelength
Answer» C. Bound atoms in the excited state can absorb light of a certain wavelength

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