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).
Additional Information
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Related Glossary Pages
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Glossary: Units: Linear Mass Density: Pound (mass) Per Inch
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Glossary: Units: Electric Capacitance: Emu of Electric Capacitance
Glossary: Units: Pressure: Inch of Mercury (15.56°C)
Glossary: Units: Length: Link (surveyor'S)
Glossary: Units: Volume: Decistère
Glossary: Units: Pressure: Ton Force (short) Per Square Inch
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