Which of the following statements concerning spectroscopy is correct? A) Concentration of a solution is directly proportional to the % of photons transmitted. B) Salt plates are often used in IR spectroscopic measurements because they are transparent in that region. C) Molar absorptivity is a constant for given species, regardless of concentration or wavelength. D) Fluorescence excitation is usually red-shifted from emission wavelength. E) 2 or more statements are correct. The absorbed energy to enable vibrational level transition falls within which wavelength range A) radio wave B) microwave C) IR D) X-ray E) UV and visible

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Which of the following statements concerning spectroscopy is correct?
A) Concentration of a solution is directly proportional to the % of photons transmitted.
B) Salt plates are often used in IR spectroscopic measurements because they are transparent in that
region.
C) Molar absorptivity is a constant for given species, regardless of concentration or wavelength.
D) Fluorescence excitation is usually red-shifted from emission wavelength.
E) 2 or more statements are correct.
The absorbed energy to enable vibrational level transition falls within which wavelength range
A) radio wave
B) microwave
C) IR
D) X-ray
E) UV and visible
Transcribed Image Text:Which of the following statements concerning spectroscopy is correct? A) Concentration of a solution is directly proportional to the % of photons transmitted. B) Salt plates are often used in IR spectroscopic measurements because they are transparent in that region. C) Molar absorptivity is a constant for given species, regardless of concentration or wavelength. D) Fluorescence excitation is usually red-shifted from emission wavelength. E) 2 or more statements are correct. The absorbed energy to enable vibrational level transition falls within which wavelength range A) radio wave B) microwave C) IR D) X-ray E) UV and visible
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