INDEX
483
Energy (Cent.)
‘
Evaporatîon (Cent.)
.
‘
——
internal, 315
'
——
process, 382
—
levels;
'
——
exper., 384
”_“—
1n atom, 148-151 (145)
Excitation;
—
in nucleus, 263, 314, 328
_
curve—, …
j
»
——
near nucleus, 211, 202
——
energy,
314
__
“.
—
mean 10n12at10n-, 272
'
——
potential, 148
;
’
—
of alpha particles, 462, 464
——-——
exper., 154
—
of beta particles, 276, (278)
——
probability for atom, 150 ' '
‘
-—
of ejected protons,
311
'
—
resonance, 313
'
.
—
of electrons;
Excited states;
—
——
equation, 28
'
——
in nucleus, 314, 328, 263
.
_
——
in a gas,
170
_
'
—_— of atomic electrons, 148—151 (145)
——
in a metal, 83
Exo-thermic reaction, 315
'
——
table, 466
'Expansion: .
-
‘
—
of light:
'
—
chamber, m chambers.
'
——
quantum,
78
'
-—
ratio, 434
—
——
vs. wave—length, 71
-—
successive, 436
'
—
of photo-electrons, 76, 80
_
'
——
time, 436
_
—
of photons, 78
'
Experiments, list of, ix
-
—
of protons, table, 465
'
Exploring eleCtrodes, see probes.
_
—of quanta,
78
'
'
Exponential law:
'
’
-—
reaction, 315
r
——
see absorption law,decay rate theory.
——
relativity equation;
‘
,
'
Exposure curve for x—rays, 196
"
——
kinetic energy,
37
'
Extinction voltage, 165 .
.
.
——
mass conversion, 38
'
Extraneous droplets, 437 _
'
-.
—
ses electron volt.
‘
Extrapolated range, 265
.
'
.
'
——
self—, 38 '_
‘
—
'
'
_
Eye, visibility curve, 71,
87'
'
.
—
surface-, 56
'
.
‘
Equilibrium, radioactive:
"
F- R 541
7
=
—
secular, 243 «
‘
*
«_
”_
CÏYCUÎËS, 408
.
,
,
—
stable, 243 '
'
>
_
““
tube»
124
’
"
r
'
’ .
-——
transient, 249
Faraday:
_
__
'
,
:' —Î …;
-—-_- constant, 7
i
'—
"'
,
—
‘,
——
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—
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*
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._
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