Source / pinned edition

Blackbody Radiation

Source of package openstax.quantum · OpenStax University Physics, ch. 6 Photons and Matter Waves, module m58761

work
urn:openstax:clir:quantum#M58761
number
OpenStax University Physics, ch. 6 Photons and Matter Waves, module m58761
kind
urn:openstax:clir:quantum#treatise

m58761/index.cnxml at commit d0ed34a (main, 2026-06-11)

edition
urn:openstax:clir:quantum#M58761_MAIN
language
en
officiality
official
materialisation
PINNED_OFFICIAL_BYTES
life cycle
adopted: 2026-06-11

Publications

URITypedocumentHashRetrieved
https://raw.githubusercontent.com/openstax/osbooks-university-physics-bundle/d0ed34a5851119a42e3d972dfc0ff49e4663977c/modules/m58761/index.cnxmlapplication/xml; charset=utf-8sha256:45e2149045bcdb88bcd74239376c4b5128305d063250b4e51b14cb1d141694872026-09-06T00:00:00Z

Fragments — 3

module/m58761#fs-id1163713188255 · section · referenced by: 2

en · official · sha256:12817aae80cea0082063687a3846a967a7697e1da08fc8506a73f42490239f01

<para id="fs-id1163713188255">In <link target-id="fs-id1163713090546"/>, <emphasis effect="italics">f</emphasis> is the frequency of Planck’s oscillator. The natural number <emphasis effect="italics">n</emphasis> that enumerates these discrete energies is called a <term id="term-00015">quantum number</term>. The physical constant <emphasis effect="italics">h</emphasis> is called <term class="no-emphasis" id="term-00016"><emphasis effect="italics">Planck’s constant</emphasis></term>:</para>

Referencing norms: PlanckConstantFromSiTable, ReducedPlanckConstantFromPlanckConstant

module/m58761#fs-id1163713284371 · defn

en · official · sha256:b95ef3b1aad15eb2186aed42582d4e1400901b74702aed28a41211373a86e42a

<definition id="fs-id1163713284371"> <term>Planck’s hypothesis of energy quanta</term> <meaning id="fs-id1163709749887">energy exchanges between the radiation and the walls take place only in the form of discrete energy quanta</meaning> </definition>
module/m58761#fs-id1163713071482 · defn

en · official · sha256:d562cab1651111e1a67e50ec1f51f24e23e0e2cf2869c2306b9a4ecfdd88ee4f

<definition id="fs-id1163713071482"> <term>quantized energies</term> <meaning id="fs-id1163713310319">discrete energies; not continuous</meaning> </definition>

The hash beside the text is the sha256 of its exact bytes. It is the check that the text shown matches the one pinned in the package: a divergence fails the oracle’s static analysis.