Which of the following parameter would provide information about the nature of the material?(a) Number of photons(b) Frequencies of photons(c) Number of atom(d) Molecules of atomThis question was addressed to me in an interview for internship.Asked question is from Measurement of Volume in section Pulmonary Function Analysers of Biomedical Instrumentation

Which of the following parameter would provide information about the n

1.	Which of the following parameter would provide information about the nature of the material?(a) Number of photons(b) Frequencies of photons(c) Number of atom(d) Molecules of atomThis question was addressed to me in an interview for internship.Asked question is from Measurement of Volume in section Pulmonary Function Analysers of Biomedical Instrumentation
Answer» Right answer is (b) Frequencies of photons To explain I would say: The study of the frequencies of the photons which are absorbed would THUS provide information about the nature of the material. Also, the number of photons absorbed may provide information about the number of atoms or molecules of the material present in a particular state. It thus PROVIDES us with a METHOD to have a QUALITATIVE and quantitative analysis of a substance.

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