Intensity

Intensity may refer to:

In colloquial use

• Strength (disambiguation)
• Amplitude
• Level (disambiguation)
• Magnitude (disambiguation)

In physical sciences

Physics

• Intensity (physics), power per unit area (W/m²)
• Field strength of electric, magnetic, or electromagnetic fields (V/m, T, etc.)
• Intensity (heat transfer), radiant heat flux per unit area per unit solid angle (W·m⁻²·sr⁻¹)
• Electric current, whose value is sometimes called current intensity in older books

Optics

• Radiant intensity, power per unit solid angle (W/sr)
• Luminous intensity, luminous flux per unit solid angle (lm/sr or cd)
• Irradiance, power per unit area (W/m²)

Astronomy

• Radiance, power per unit solid angle per unit projected source area (W·sr⁻¹·m⁻²)

Seismology

• Mercalli intensity scale, a measure of earthquake impact
• Japan Meteorological Agency seismic intensity scale, a measure of earthquake impact
• Peak ground acceleration, a measure of earthquake acceleration (g or m/s²)

Acoustics

• Sound intensity, sound power per unit area

Other uses

• Value intensity in philosophy and ethics
• In video luminous emittance, the luminous flux per unit area (lm/m² or lux)
• Energy intensity, an economic measure of energy consumed per unit of GDP (J/$, etc.)
• Carbon intensity, any of several measures of release of carbon into the environment
• Floor area ratio, the ratio of the total floor area of buildings on a certain location to the size of the land of that location, or the zoning limit imposed on such a ratio
• Intensity (measure theory), the average value a measure assigns to an interval of length one
• Exercise intensity, a measure of how much work is done during exercise (% of max heart rate)
• Intensity (novel), a 1995 novel by Dean Koontz
  • Intensity (film), a 1997 made-for-TV movie based on the novel
• Intensity (Charles Earland album), 1972
• Intensity (Art Pepper album), 1960
• Intensity (John Klemmer album), 1973
• Intensity!, a 1999 album by The Bambi Molesters

See also

• Brightness