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 1:
4000
5000
Wovelength (Angstrom)
3500
4500
5500
6000
6500
Ha Absorption LIne (6563 Angstroms)
1:20
1.15
1.10
1.05
1.00
090
0.75
0.70
6000
10
6580
6600
Wovelengn (Angatrem)
Panel 2:
3500
4000
4500
5000
5500
6000
6500
Wovelength (Angstrom)
Ha Absorplion Line (6563 Angsiroms)
1.15
1,05
1.00
090
0.75
0.70
040
000
6620
Wovelengn (Angatrem)
u pano
Relat ve Flux
Relative Flux
Transcribed Image Text:Panel 1: 4000 5000 Wovelength (Angstrom) 3500 4500 5500 6000 6500 Ha Absorption LIne (6563 Angstroms) 1:20 1.15 1.10 1.05 1.00 090 0.75 0.70 6000 10 6580 6600 Wovelengn (Angatrem) Panel 2: 3500 4000 4500 5000 5500 6000 6500 Wovelength (Angstrom) Ha Absorplion Line (6563 Angsiroms) 1.15 1,05 1.00 090 0.75 0.70 040 000 6620 Wovelengn (Angatrem) u pano Relat ve Flux Relative Flux
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