The index of physics articles is split into multiple pages due to its size.

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K

K-65 residues K-Long K-Poincaré algebra K-Poincaré group K-Short K-edge K-factor (aerospace) K-factor (centrifugation) K-theory (physics) K. R. Ramanathan K. R. Sreenivasan K2K experiment K3 surface KALI (laser) KAMINI KAON Factory KARMEN KASCADE KAT-7 KATRIN KEK KEKB (accelerator) KM3NeT KMQ viewer KMS state KOALA – Quasi Laue Diffractometer KOWARI KSTAR KT (energy) K band (IEEE) K band (infrared) K band (NATO) K correction Ka band Kadomtsev–Petviashvili equation Kadowaki–Woods ratio Kagome lattice Kai-Ming Ho Kai Puolamäki Kai Siegbahn Kaido Reivelt Kalb–Ramond field Kalina cycle Kalliroscope Kaluza–Klein theory Kamaloddin Jenab Kamioka Liquid Scintillator Antineutrino Detector Kamioka Observatory Kammback Kamran Vafa Kaon Kaon oscillation Kaonic hydrogen Kaonium Kapitsa–Dirac effect Kaplan–Yorke map Karatmeter Karel Niessen Karen Kavanagh Karen Ter-Martirosian Kari Enqvist Kariamanickam Srinivasa Krishnan Karl-Heinrich Riewe Karl-Heinz Höcker Karl-Henning Rehren Karl-Otto Kiepenheuer Karl Alexander Müller Karl Baedeker (scientist) Karl Bechert Karl Eugen Guthe Karl Ferdinand Braun Karl Friedrich Küstner Karl G. Kessler Karl Glitscher Karl Guthe Jansky Karl Heinz Beckurts Karl Herzfeld Karl Ledersteger Karl Leo Karl Lintner Karl Meissner Karl Mey Karl Scheel Karl Schwarzschild Karl Taylor Compton Karl Weissenberg Karl Wirtz Karl Zimmer Karol Olszewski Kasner metric Kasson S. Gibson Katabatic wind Kate Hutton Kater's pendulum Katharine Burr Blodgett Katherine Freese Katherine McAlpine Katherine Sopka Kathy Sykes Kato theorem Katsunori Wakabayashi Kaufmann (Scully) vortex Kautsky effect Kauzmann paradox Kavli Institute for Theoretical Physics Kavli Institute of Nanoscience Kaye effect Kazim Ergin Kazimierz Fajans Kazuhiko Nishijima Kazys Almenas Keiiti Aki Keith Brueckner Keith Burnett Keith Burton Keith Edward Bullen Keith Nugent Keith Runcorn Kelly Johnson (engineer) Kelvin Kelvin's circulation theorem Kelvin-Planck statement Kelvin material Kelvin probe force microscope Kelvin water dropper Kelvin wave Kelvin–Helmholtz instability Kelvin–Helmholtz mechanism Kelvin–Voigt material Ken Pounds Ken Riley (physicist) Kendal Nezan Kender engine Kennedy–Thorndike experiment Kenneth Allen (physicist) Kenneth Bainbridge Kenneth G. Libbrecht Kenneth G. Wilson Kenneth H. Hunt Kenneth Lane (physicist) Kenneth M. Baird Kenneth Mees Kenneth Nordtvedt Kenneth Ross MacKenzie Kenneth Stewart Cole Kepler's laws of planetary motion Kepler orbit Kepler problem Keplerian problem Kerma (physics) Kern arc Kerr-lens modelocking Kerr Grant Kerr cell shutter Kerr effect Kerr metric Kerr–Newman metric Kerson Huang Keulegan–Carpenter number Kharkiv Theoretical Physics School Khālid ibn ʿAbd al‐Malik al‐Marwarrūdhī Kibble balance Kiel probe Killing horizon Killing spinor Kilogram Kilogram per cubic metre Kilometre Kim Maltman Kim Sung-Hou Kim Weaver Kinematic diagram Kinematic pair Kinematics Kinetic Monte Carlo Kinetic energy Kinetic inductance Kinetic inductance detector Kinetic momentum Kinetic term Kinetic theory Kinetics (physics) Kingdon trap Kip Siegel Kip Thorne Kirchhoff's circuit laws Kirchhoff's diffraction formula Kirchhoff's law of thermal radiation Kirchhoff equations Kirpal Nandra Kirstine Meyer Kite types Kjell Henriksen Klara Döpel Klaus Blaum Klaus Fesser Klaus Fuchs Klaus Kern Klaus von Klitzing Kleemenko cycle Klein paradox Klein transformation Klein–Gordon equation Klemperer rosette Klystron Klystron tube Knapp's rule Knight shift Knudsen cell Knudsen diffusion Knudsen equation Knudsen flow Knudsen gas Knudsen layer Knudsen number Knut Ångström Kochen–Specker theorem Kodama state Koenig's manometric flame apparatus Kogut–Susskind fermion Kohn anomaly Kohn effect Kohn–Sham equations Koide formula Kolmogorov–Arnold–Moser theorem Komar mass Kondo effect Konishi anomaly Konrad Beyerle Konrad Bleuler Konrad Dannenberg Konstantin Novoselov Konstanty Zakrzewski Kopp's law Korringa–Kohn–Rostoker approximation Kort nozzle Korteweg–de Vries equation Kossel Kosterlitz–Thouless transition Kozeny–Carman equation Kramers' law Kramers theorem Kramers–Heisenberg formula Kramers–Kronig relations Kramers–Wannier duality Krasovskii–LaSalle principle Kratos MS 50 Kreft's dichromaticity index Kretschmann scalar Kristian Birkeland Kristian Fossheim Kronig–Penney model Krueger flaps Kruskal–Szekeres coordinates Krylov–Bogolyubov theorem Krypton fluoride laser Kröger–Vink notation Ku band Kugelblitz (astrophysics) Kugel–Khomskii coupling Kullback–Leibler divergence Kundt's tube Kuramoto model Kurchatov Medal Kurd von Mosengeil Kurt Binder Kurt Diebner Kurt Gottfried Kurt Lehovec Kurt Mendelssohn Kurt Symanzik Kurt Wiesenfeld Kutta condition Kutta–Joukowski theorem Kuznetsov NK-14 Kuzyk quantum gap Kyong Wonha Kyriakos Tamvakis K·p perturbation theory Kármán line Kármán vortex street Kármán–Howarth equation Källén–Lehmann spectral representation Köhler theory König's theorem (kinetics) Küssner effect