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Plancksche

Plancksche is a German attributive adjective used to indicate that a term or concept is named after the physicist Max Planck or originates from his work. In scientific German it appears in compound nouns such as Plancksches Wirkungsquantum and Plancksches Strahlungsgesetz, where the Planck name signals the origin of the concept. The form is part of standard nomenclature in physics and related fields, and the exact ending changes with grammatical case and gender as in other adjectives.

Origin and scope: The term reflects Planck’s central role in the development of quantum theory at the

Examples: Plancksches Wirkungsquantum denotes the quantum of action, commonly associated with the constant h. Plancksches Strahlungsgesetz

See also: Max Planck, Planck constant, black-body radiation, quantum theory.

turn
of
the
20th
century,
most
notably
his
proposal
of
energy
quanta
and
the
introduction
of
the
Planck
constant.
The
adjective
is
applied
to
a
range
of
ideas
associated
with
Planck,
not
to
a
single
theory,
and
it
remains
common
in
German-language
scientific
writing.
describes
the
spectral
radiance
of
a
black
body
as
a
function
of
wavelength
and
temperature.
The
usage
is
widespread
in
German
physics
textbooks
and
literature,
helping
to
distinguish
Planck-related
concepts
from
others.