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7) How many scans are needed to improve the signal to noise ratio (S/N) of a spectrum by a factor of 10 ?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter25: Instruments For Optical Spectrometry

Section: Chapter Questions

Problem 25.13QAP

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Question

7) How many scans are needed to improve the signal to noise ratio (S/N) of a spectrum by a factor of 10 ?
a) 5 scans
b) 10 scan
c) 20 scans
d) 50 scans
e) 100 scans

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