PASCO OS-8539 Educational Spectrophotometer - Manual (Page 22)

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E d u c a t i o n a l S p e c t r o p h o t o m e t e r A c c e s s o r y K i t a n d S y s t e m A c t i v i t y 1 : E m i s s i o n ( B r i g h t
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5. Examine the plot of Light Intensity versus Actual Angular Position for your other two runs of data. Look for
other lines in the spectral pattern that may be too dim to record when the sensor was set to GAIN = 1.
Data Table
Record your data here:
Color 
1

2
 d sin
Conclusion
Compare your values for the wavelengths of color in the mercury vapor light spectrum to the accepted values for
wavelengths.
Extensions
Repeat the process for a different gaseous element, such as hydrogen or helium.