The purpose of this experiment was to determine the relationship function between theoretical and measured wavelength and use this function to the different between thewavelength of a hydrogen gas spectra
Experiment
white light source
Spectra observed through a diffraction grating
measurements and calculation of wavelengths
derivation of λ = Dd/√(L2+D2)
a calibration function was determined.
spectra of a hygrogen gas
calculating experimental wavelengths
calibrated wavelengths vs. theoretical wavelengths
Experimental calibrated wavelength (nm)
|
Theoretical wavelength (nm)
|
423±25
|
410
|
490±14
|
486
|
680±27
|
656
|
Conclusion
The expeiment was succeed. All the results are within the uncertainty.
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