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21-11-2021 Pneumotachometers

Q. Which component is used in spectrophotometer for control, Signal Processing, and Communication functions?

A. Detector
B. Microprocessor
C. Deuterium Lamp
D. Tungsten Lamp


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Dapzoi Verified
Commented on 2021-11-21 12:25:38 (IST)
Answer: B

Explanation: A microprocessor, in a spectrophotometer, could be used for the following functions: Control functions: Wavelength scanning, automatic light source selection, control of slit width, detector sensitivity, etc. Signal processing functions: Baseline correction, signal smoothing, calculation of % T, absorbance and concentration, derivative, etc. Communication functions: Keyboard entry, menu-driven operations, data presentation, warning display, communication with external systems, etc.