Atomic Spectroscopy Helium Hydrogen Energy & Wavelengths Lab Report

Part I: Observation and the Calibration Curve

Line Spectrum of Helium

ColorMeasured Wavelength (nm)Actual Wavelength (nm)
red706.5
red667.8
yellow587.6
green501.6
blue-green492.2
violet471.0
violet447.0

Line Spectrum of Hydrogen

ColorMeasured Wavelength (nm)Actual Wavelength (nm)
red
blue
violet
violet (faint)

 

 

Part II: Calculations of Energy and Wavelength

 

Final Energy levelTransitionEnergy (J)Wavelength (nm)
15→1
14→1
13→1
12→1
26→2
25→2
24→2
23→2
37→3
36→3
35→3
34→3

 

Part III:  Identification of the Observed Hydrogen Transitions

ColorRedBlueVioletViolet’
Actual Wavelength:

(from Part I)

Transition
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