Glasser effect (physics)
Goos–H?nchen effect (optical phenomena)
Greenhouse effect (atmosphere) (atmospheric radiation) (climate change feedbacks and causes) (climate forcing)
Ground effect (aircraft) (aerodynamics)
Gull effect (diodes) (microwave technology) (physics) (terahertz technology)
H
Haas effect (audio engineering) (sound) (speakers)
Hall effect (condensed matter physics) (electric and magnetic fields in matter)
Hanbury Brown and Twiss effect (quantum optics)
Hot chocolate effect (acoustics) (physics) (wave mechanics)
Hundredth monkey effect (behavioral science) (New Age) (urban legends)
Hydrophobic effect (chemical bonding) (supramolecular chemistry)
Hyperchromic effect (biochemistry)
Hypersonic effect (acoustics) (hearing) (psychology) (ultrasound)
I
Ideomotor effect
Imbert–Fedorov effect (optical phenomena)
Inductive effect (chemical bonding)
Inert pair effect (atomic physics) (inorganic chemistry) (quantum chemistry)
Inverse Doppler effect (Doppler effects) (wave mechanics)
Inverse Faraday effect (electric and magnetic fields in matter) (optical phenomena)
Inverse magnetostrictive effect The inverse magnetostrictive effect (also known as magnetoelastic effect or Villari effect) is the name given to the change of the [magnetic susceptibility] of a material when subjected to a mechanical stress.
inverse piezoelectric effect
J
Jahn–Teller effect (condensed matter physics) (inorganic chemistry) (organometallic chemistry) (quantum chemistry)
Johnsen–Rahbek effect (classical mechanics) (electrical engineering)
Joule–Thomson effect (thermodynamics)
Josephson effect (condensed matter physics) (sensors) (superconductivity)
Jupiter effect (astronomy) (science book)
K
Kapitsa–Dirac effect (physics)
Kautsky effect (fluorescence)
Kaye effect (fluid dynamics)
Kendall effect (telecommunications)
Kerr effect (nonlinear optics)
Keystone effect (technology)
Kinetic isotope effect (chemical kinetics) (physical organic chemistry)
Kirkendall effect (chemistry) (metallurgy)
Klein–Nishina effect (quantum field theory)
Knife-edge effect (radio frequency propagation)
Kohn effect (physics)
Kondo effect (condensed matter physics) (electric and magnetic fields in matter) (physical phenomena)
Kozai effect (astronomy) (celestial mechanics)
L
Lake effect (snow or ice weather phenomena)
Landau–Pomeranchuk–Migdal effect (high-energy physics)
Larsen effect (audio feedback)
Lazarus effect (particle detectors)
LCD memory effect (display technology)
Leidenfrost effect (physical phenomena)