Table 7.1 The de Broglie Wavelengths of Several Objects
Substance
Mass (g)
Speed (m/s)
l (m)
slow electron
fast electron
alpha particle
one-gram mass
baseball
Earth
9 x 10-28
9 x 10-28
6.6 x 10-24
1.0
142
6.0 x 1027
1.0
5.9 x 106
1.5 x 107
0.01
25.0
3.0 x 104
7 x 10-4
1 x 10-10
7 x 10-15
7 x 10-29
2 x 10-34
4 x 10-63
The de Broglie Wavelength
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