jan28 - Midterm Exam 1 Next Wednesday: Feb 3 30-35 multiple...

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1 Midterm Exam 1 • Next Wednesday: Feb 3 • 30-35 multiple choice questions. • About material covered in lectures. • Study: •N o t e s . • Weekly review questions on course website. • Study guide – now on course website. • Parts of textbook that I talked about in class. • (sample questions on course web site… but include much material not covered in class. • Office hours (BPS room 3270): • Mon 12:45-2:00 • Tue 3:00-4:00 • Or by appointment • Assigned seating. • Photo ID required. • No calculators! Course website www.pa.msu.edu/courses/isp205/sec-1 Total Energy = photon’s energy + electron’s energy = constant Energy Energy difference Wavelength absorption = photons vanish emission = photons created Emission Lines Wavelength Absorption Lines Brightness
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2 Hydrogen demo Wavelength E photon = hf = hc Wavelength Brightness Energy difference Wavelength Energy E = 2.55 electron volts = 486.1 nm Hydrogen demo Wavelength E photon = hf = hc Wavelength Energy difference Wavelength
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jan28 - Midterm Exam 1 Next Wednesday: Feb 3 30-35 multiple...

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