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Figures (11)

F. 1
F. 1

Complete spectrum of electromagnetic radiation on a logarithmic scale. Visible light is only a small but very important part of this spectrum.

F. 2
F. 2

Intensities of reflection from the (111) planes of rock salt.

F. 3
F. 3

Density of electron distribution in layers parallel to the (111) planes of rock salt.

F. 4
F. 4

Radial distribution of electrons in the sodium ion of rock salt.

F. 5
F. 5

Diffraction pattern of x-rays traversing carbon tetrachloride vapor.

F. 6
F. 6

Intensity of x-rays scattered by helium for different values of x. Data from Barrett’s experiments; solid line from Heisenbert atom; dotted line from Schrödinger atom.

F. 7
F. 7

Radial distribution of electrons in atom of helium. Solid curve calculated from Barrett’s experiments; broken line, Heisenberg-Schrödinger theory.

F. 8
F. 8

“Appearance” of a helium atom, Heisenberg-Schrödinger theory (after Longer).

F. 9
F. 9

Bearden’s spectrum of CuK series from glass grating of 600 lines per mm.

F. 11
F. 11

Dispersion spectrum of K series of molybdenum. O=primary beam; β and α=refracted spectrum lines; R=totally reflected beam.

Equations (19)

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n λ = 2 D sin θ ,
D = 3.0367 ± .0004 A ( 20 ° C ) ,
D = { 1 2 M N ρ φ } 1 / 3 ,
M = 100.078 , ρ = 2.7102 g cm 3 , φ = 1.09630 ,
N = ( 6.0142 ± .003 ) × 10 23 per mole .
e = F / N .
e = 4.810 ± .002 × 10 10 esu .
4.770 ± .002 × 10 10 esu .
e / m s = 5.279 × 10 17 esu / g ;
e / m d = 5.303 × 10 17 esu / g .
μ = 1 + e 2 2 π m 1 N n s ( ν s 2 ν 2 )
μ = 1 n e 2 2 π n ν 2
ν = c / λ
e m = 2 π c 2 n e λ 2 ( 1 μ ) .
n e = N e W ρ = F W ρ .
( 1 μ ) K α = ( 1.804 ± .001 ) × 10 6
( 1 μ ) K β = ( 1.436 ± .001 ) × 10 6 .
e / m = 5.290 ± .003 × 10 17
5.293 ± .003 × 10 17 .