The sample holder is generally inserted somewhere in the interval between the ______and _______(a) Silvered film and multi-layered coating(b) The light source and the detector(c) The light source and silvered film(d) Silvered film and the detectorI have been asked this question during an interview.My question is based upon Methods of Monitoring Foetal Heart Rate topic in division Foetal Monitoring Instruments of Biomedical Instrumentation

The sample holder is generally inserted somewhere in the interval betw

1.	The sample holder is generally inserted somewhere in the interval between the ______and _______(a) Silvered film and multi-layered coating(b) The light source and the detector(c) The light source and silvered film(d) Silvered film and the detectorI have been asked this question during an interview.My question is based upon Methods of Monitoring Foetal Heart Rate topic in division Foetal Monitoring Instruments of Biomedical Instrumentation
Answer» Correct choice is (B) The light SOURCE and the detector The explanation is: Gases MAY be contained in cells which are sealed or stoppered to make them air-tight. The sample HOLDER is generally inserted somewhere in the interval between the light source and the detector. For the majority of analyses, a 10 MM path-length rectangular cell is usually satisfactory.

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