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Lab Report Part A: Explore the Spectrometer
Essay Instructions:
Can you do data, calculation and conclusion for me
Essay Sample Content Preview:
Lab Report
Author Name
Institution Affiliation
Data
Part A: Explore the Spectrometer
Notes: A spectrometer is a lab experiment primarily used for separating and measuring the spectral components of a particular physical phenomenon. In a broader, sense, the spectrometer is a series of instruments that help measure continuous variables of given phenomenon. It may separate the different components of white light under certain conditions, helping us measure the narrow bands of color, also known as spectrums.
Part B: Use Helium to Calibrate the Spectrometer (9 lines)
Color
Known (Ture) λ
Observed λ
RED
729.1 nm
(may not be visible)
RED
706.5 nm
(may not be visible)
RED
667.8 nm
670 nm
YELLOW
587.5 nm
590 nm
GREEN
501.5 nm
500 nm
BLUE
471.3 nm
420 nm
The slope from Correlation Graph:
Part C: Find the Spectra of Hydrogen (4-5 lines) (note exactly 1 eV measures 1.602*10-19 J)
Color
Observed λ
Corrected λ
Ephoton
RED
680 nm
440 nm
4.32
GREEN
500 nm
250 nm
34.54
BULE
440 nm
220 nm
5.665
VIOLET
640 nm
(may not be visible)
11.21
VIOLET
(may not be visible)
729 nm
65.43
Part D: Using the Rydberg Equation, Calculate the Energy for Each Quantum Leap Below
Alpha Emissions (1 level)
Ninitial
Nfinal
ΔE
Name
2
1
-1.634*10-18 J
α-Lyman
3
2
-3.025*10-19 J
α-Balmer
4
3
-1.059*10-19 J
α-Paschen
5
4
-4.901*10-20 J
α-Brackett
6
5
-2.662*10-20 J
α-Pfund
7
6
-1.605*10-20 J
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