b) In the top graph of each panel of spectra (starting on the next page), circle each of the 3 Balmer series absorption lines you drew on the energy level diagram in the first question.

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How does one go about question b?

2. Look at the six panels of spectra on the following pages. Each panel shows the optical spectrum
of six different stars. The top graph in each panel is the full spectrum; the bottom graph in each
panel is a blowup of the Balmer series absorption line located at 6563 Angstroms. Astronomers
call this particular absorption line Ha (because it is the first line in the Balmer series and oa is
the first letter of the Greek alphabet), and it is created when an electron moves from the 2 d to
the 3d energy level. Note the difference between the scale on the wavelength axis for the top
and bottom graphs.
b) In the top graph of each panel of spectra (starting on the next page), circle each of the 3
Balmer series absorption lines you drew on the energy level diagram in the first question.
Transcribed Image Text:2. Look at the six panels of spectra on the following pages. Each panel shows the optical spectrum of six different stars. The top graph in each panel is the full spectrum; the bottom graph in each panel is a blowup of the Balmer series absorption line located at 6563 Angstroms. Astronomers call this particular absorption line Ha (because it is the first line in the Balmer series and oa is the first letter of the Greek alphabet), and it is created when an electron moves from the 2 d to the 3d energy level. Note the difference between the scale on the wavelength axis for the top and bottom graphs. b) In the top graph of each panel of spectra (starting on the next page), circle each of the 3 Balmer series absorption lines you drew on the energy level diagram in the first question.
Panel 3:
3500
4000
4500
5000
5500
6000
6500
Wovelength (Angstrom)
Ha Absorption LiIne (6563 Angstroms)
1.20
115
1.10
105
100
0.90
0.80
0.75
0.70
0.65
6000
610
6540
6600
0610
6620
Wevelengih (Angstrom)
Panel 4:
3500
4000
4500
5000
5500
6000
6500
Wavelength (Angstrom)
Ha Absorption LIne (6563 Angsiroms)
120
1.10
1.05
1.00
%23
0.95
0.90
O80
0.75
0.70
6000
6010
6540
6600
0610
6620
Wevelengi (Angstrom)
parou
parou
Transcribed Image Text:Panel 3: 3500 4000 4500 5000 5500 6000 6500 Wovelength (Angstrom) Ha Absorption LiIne (6563 Angstroms) 1.20 115 1.10 105 100 0.90 0.80 0.75 0.70 0.65 6000 610 6540 6600 0610 6620 Wevelengih (Angstrom) Panel 4: 3500 4000 4500 5000 5500 6000 6500 Wavelength (Angstrom) Ha Absorption LIne (6563 Angsiroms) 120 1.10 1.05 1.00 %23 0.95 0.90 O80 0.75 0.70 6000 6010 6540 6600 0610 6620 Wevelengi (Angstrom) parou parou
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