Seeing_the_Light_Lab

Seeing_the_Light_Lab - Seeing the Light I. PURPOSE. The...

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Seeing the Light I. PURPOSE. The purpose of this lab is to investigate the emission of light by radiant objects, like the sun, heated elements, and elements in discharge tubes. A comparison of the spectra emitted by these sources will give insight as to the nature of atomic structure. This spectral evidence gave rise to our modern quantum mechanical model of the atom. II. EQUIPMENT. diffraction film nichrome wires source of sunlight samples of lithium, sodium, copper, and incandescent light source strontium salts fluorescent light source Bunsen burner candle calibrated spectroscope discharge tube with hydrogen and helium III. PROCEDURE. 1. Look at the sunlight with your diffraction film. Focus your eyes on one spectrum and draw this on the data sheet. Use colored pencils to put color where it belongs. 2. Look at an incandescent lamp. Again, draw the spectrum with colored pencils on the data sheet. 3.
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Seeing_the_Light_Lab - Seeing the Light I. PURPOSE. The...

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