Which of the following instrument isolates monochromatic radiation in a more efficient and versatile manner than colour filters in filter photometers?(a) Calorimeter(b) Colorimeter(c) Spectrophotometer(d) PolarimeterThis question was posed to me in my homework.This interesting question is from Pneumotachometers topic in section Pulmonary Function Analysers of Biomedical Instrumentation

Which of the following instrument isolates monochromatic radiation in

1.	Which of the following instrument isolates monochromatic radiation in a more efficient and versatile manner than colour filters in filter photometers?(a) Calorimeter(b) Colorimeter(c) Spectrophotometer(d) PolarimeterThis question was posed to me in my homework.This interesting question is from Pneumotachometers topic in section Pulmonary Function Analysers of Biomedical Instrumentation
Answer» The correct option is (c) Spectrophotometer The best explanation: A spectrophotometer is an instrument which isolates monochromatic radiation in a more efficient and versatile manner than colour filters used in FILTER photometers. In these instruments, light from the SOURCE is made into a parallel BEAM and PASSED to a prism or diffraction grating, where light of different wavelengths is dispersed at different angles.

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