170 DOC.
5
SUPPLEMENT TO
DOC.
2
Published
in
Annalen der
Physik 38 (1912):
881-884.
Dated
Prague, May 1912,
received
12
May 1912, published 12 July
1912.
[1]Einstein 1912b
(Doc. 2).
[2]This
result holds
in
the
region
of
validity
of Wien's radiation
formula
(see
Einstein 1912b
[Doc.
2],
pp.
837-838).
[3]This
question
is
extensively
discussed in
Einstein
to
Wilhelm
Wien,
17 May
1912
(Vol.
5,
Doc.
395).
For
a
historical review of
this question,
see
the editorial note,
"Einstein
on
the
Law of Photochemical
Equivalence," pp.
111-112.
[4]Results
on
ozone
dissociation
by
radiation
of various
wavelengths
in
the
ozone
absorption
band between 0.2 and
0.3 u
were
communicated
by
Warburg
to
the Prussian
Academy on 18
July
1912 (see
Warburg 1913).
[5]See
Einstein 1912b
(Doc. 2),
p.
834.
[6]For
the role these
"improper"
thermodynamic equilibria played
in
contemporary attempts
to
extend Einstein's
approach
to
a
derivation of Planck's radiation
law,
see
the editorial
note,
"Einstein
on
the Law of Photochemical
Equivalence,"
pp.
112-113.
[7]See
Einstein 1912b
(Doc.
2), pp.
834-835.
[8]Einstein
earlier referred
to
this virtual transition
in
a
letter
to
Warburg
(see
Einstein
to
Emil
Warburg,
after
25
April-before 11
May
1912
[Vol.
5,
Doc.
386]).
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