Emission spectra

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1

Slide 1

Emission Spectra

Slide 2

long

short

Slide 3

Electromagnetic Spectrum

short

long

Slide 4

Bright Line Spectra

Slide 5

Spectra of several elements

Slide 6

Absorption

Dark hydrogen absorption lines appear against a continuous visual spectrum, the light in the spectrum absorbed by intervening hydrogen atoms

From "Astronomy! A Brief Edition," J. B. Kaler, Addison-Wesley, 1997.

Slide 7

Colors of various gases

Slide 8

Argon

Slide 9

Helium

580

Slide 10

Hydrogen

420

650

Slide 11

Krypton

Slide 12

Neon

460

735

Slide 13

Xenon

Slide 14

Water Vapor

Using log scale

Slide 15

Water Vapor

Using log scale

Slide 16

University of Oregon

http://jersey.uoregon.edu/vlab/elements/Elements.html

Applet of Periodic Table

with spectrum of each element

Slide 17

Internet Resources

Ohio State University

http://www.astronomy.ohiostate.edu/~pogge/Ast350/Labs/Lamps/index.html

Slide 18

The End

Ben Zalewski Jan. 2007