Illuminance Units: PhotHome | Directory | Career | News | Industrial
Glossary » Units » Illuminance » Phot
Phot (ph) is a unit in the category of Illuminance. It is also known as phots. This unit is commonly used in the cgs unit system. Phot (ph) has a dimension of L-2J where L is length, and J is luminous intensity. It can be converted to the corresponding standard SI unit lx by multiplying its value by a factor of 10000.
Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).
Other units in the category of Illuminance include Foot-Candle (ft-C, ft-cd, fc), and Lux (lx).
Related Glossary Pages
Glossary: Units: Linear Momentum: A.u. of Linear Momentum
Glossary: Units: Pressure: Hectopascal
Glossary: Units: Logarithm of a Ratio: Decibel (voltage)
Glossary: Units: Magnetomotive Force: Ampere (mmf)
Glossary: Units: Mass: Metric Slug (hyl)
Glossary: Units: Magnetic Flux: Line
Glossary: Units: Time: Month (solar Mean)
Glossary: Units: Pressure: Poundal Per Square Foot
Glossary: Units: Energy: Quadrillion
Glossary: Units: Energy: British Thermal Unit (thermochemical)