Source / pinned edition
Photoelectric Effect
Source of package openstax.quantum · OpenStax University Physics, ch. 6 Photons and Matter Waves, module m58762
- work
- urn:openstax:clir:quantum#M58762
- number
- OpenStax University Physics, ch. 6 Photons and Matter Waves, module m58762
- kind
- urn:openstax:clir:quantum#treatise
m58762/index.cnxml at commit d0ed34a (main, 2026-06-11)
- edition
- urn:openstax:clir:quantum#M58762_MAIN
- language
- en
- officiality
- official
- materialisation
- PINNED_OFFICIAL_BYTES
- life cycle
- adopted: 2026-06-11
Publications
| URI | Type | documentHash | Retrieved |
|---|---|---|---|
| https://raw.githubusercontent.com/openstax/osbooks-university-physics-bundle/d0ed34a5851119a42e3d972dfc0ff49e4663977c/modules/m58762/index.cnxml | application/xml; charset=utf-8 | sha256:a000de7c5de0d3d89b1fe8153097051dee379da844a029060f037b080fdc2d62 | 2026-09-06T00:00:00Z |
Fragments — 9
module/m58762#fs-id1163709827827 · defn · referenced by: 1
en · official · sha256:07e10d593ed43562f73744579db3e0c772fe80f66d7eb88febeedc638605b689
<definition id="fs-id1163709827827">
<term>cut-off frequency</term>
<meaning id="fs-id1163713294290">frequency of incident light below which the photoelectric effect does not occur</meaning>
</definition>Referencing norms: BelowCutOffNoPhotoelectronsAtAnyIntensity
module/m58762#fs-id1163713259107 · defn
en · official · sha256:f7a5c7f80ba6ce5a0b7613aa584da0eb88a2af39c498fdfa14abba2bf03d3520
<definition id="fs-id1163713259107">
<term>cut-off wavelength</term>
<meaning id="fs-id1163713090752">wavelength of incident light that corresponds to cut-off frequency</meaning>
</definition>module/m58762#fs-id1163713168168 · defn · referenced by: 2
en · official · sha256:52e0fa5a0f172c4ef8b8bae423f8611122123275f8b0c06fc00bb9c7f0c8b2f6
<definition id="fs-id1163713168168">
<term>photoelectric effect</term>
<meaning id="fs-id1163713483006">emission of electrons from a metal surface exposed to electromagnetic radiation of the proper frequency</meaning>
</definition>Referencing norms: AboveThresholdPhotoelectronsAreEmitted, illuminated_by
module/m58762#fs-id1163713487413 · defn
en · official · sha256:aa756fa4d8463e5c07699c7e23ce0c6e07a10039b3981699bbbbe73cc2f926d2
<definition id="fs-id1163713487413">
<term>photoelectron</term>
<meaning id="fs-id1163713052088">electron emitted from a metal surface in the presence of incident radiation</meaning>
</definition>module/m58762#fs-id1163713265704 · defn · referenced by: 2
en · official · sha256:29769cf382de3c8cb91e88208be5d93cab3ee22e17c45c5b1cd362b131e54bcf
<definition id="fs-id1163713265704">
<term>photon</term>
<meaning id="fs-id1163713157310">particle of light</meaning>
</definition>Referencing norms: photon_frequency, photon_wavelength
module/m58762#fs-id1163713488861 · defn · referenced by: 2
en · official · sha256:7113bc758952af12b880a1c0d1b5b4830ae899ff9cf404825f2692fb64461110
<definition id="fs-id1163713488861">
<term>energy of a photon</term>
<meaning id="fs-id1163709786938">quantum of radiant energy, depends only on a photon’s frequency</meaning>
</definition>Referencing norms: PhotonEnergyFromWavelength, PhotonEnergyIsPlanckTimesFrequency
module/m58762#fs-id1163713033139 · defn
en · official · sha256:6992f52b0485030e42742e501c18d9f71a43cad91dc717e93d9f6311e5b56df2
<definition id="fs-id1163713033139">
<term>quantum phenomenon</term>
<meaning id="fs-id1163713285340">in interaction with matter, photon transfers either all its energy or nothing</meaning>
</definition>module/m58762#fs-id1163713432868 · defn · referenced by: 2
en · official · sha256:02e4778681455c9f16eac177e3f36506596e82bc0c1eea00e190f2d40f176b65
<definition id="fs-id1163713432868">
<term>work function</term>
<meaning id="fs-id1163713536679">energy needed to detach photoelectron from the metal surface</meaning>
</definition>Referencing norms: EinsteinEnergyBalance, WorkFunctionInJoules
module/m58762#fs-id1163709723864 · section · referenced by: 2
en · official · sha256:0a83c37630d6cf70261222d32a815d63f9662d2cf183d87fd81e74c10a86999b
<link target-id="fs-id1163709723864"/>Referencing norms: ElectronvoltIsElementaryChargeTimesOneVolt, work_function_in_electronvolts
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.