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Which method is based on the absorption of radiation of a substance?(a) Absorption Endoscopy(b) Absorption Spectroscopy(c) Absorption Arthroscopy(d) Absorption ColonoscopyThis question was addressed to me in homework.This intriguing question comes from Measurement of Volume topic in section Pulmonary Function Analysers of Biomedical Instrumentation

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Right answer is (B) Absorption Spectroscopy

Easy explanation: Electronic transitions CORRESPOND to the ULTRAVIOLET and visible regions, vibrational transitions to the NEAR infrared and infrared regions and rotational transitions to the infrared and far-infrared regions. The method based on the absorption of radiation of a substance is KNOWN as Absorption Spectroscopy.



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