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EXPERIMENT -3—1
63
300 meters per second (670 miles per hour) would be 2.18)<10‘31
centimeters, a quantity too small to be measured.
-
EXPERIMENT 3—1
.
THE DŒFRACTION OF ELECTRON S —
Âppamz‘us : The apparatus consists essentially of three parts: .
rst a source of electrons second a device for collimatin
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electrons and an adjustable crystal holder, and, th1rd, an observa—
tion chamber. One form of the apparatus is shown in gure 3—6.
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