Asked by Sakura

From the fringe pattern of an empty Ir cell, the following wavenumbers were found for a seies of consecutive fringes: 3011.11 cm, 3058.12 cm, 3108.89 cm, and 3157.75cm, 3205.64cm, 3254.54 cm, 3303.26 cm. With a suitable graphical plot, calculate and express the answer to the correct significant figure the path length of the cell and its uncertainty
Answered by DrBob222
http://www.smarteam.com.tw/calcell.pdf
Answered by DrBob222
Another calculation site.

http://www.piketech.com/skin/fashion_mosaic_blue/application-pdfs/CalculatingPathlength-LiquidCells.pdf
Answered by katy
Thank you to your suggestion, I have found that path length is 9.7574 mm. But do you know how to write correctly significant number and its uncertainty
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