- Source: Phot
A phot (ph) is a photometric unit of illuminance, or luminous flux through an area. It is not an SI unit but rather is associated with the older centimetre–gram–second system of units. The name was coined by André Blondel in 1921.
Metric equivalence:
1
p
h
o
t
=
1
l
u
m
e
n
c
e
n
t
i
m
e
t
r
e
2
=
10
,
000
l
u
m
e
n
s
m
e
t
r
e
2
=
10
,
000
l
u
x
=
10
k
i
l
o
l
u
x
{\displaystyle 1\ \mathrm {phot} =1\ {\frac {\mathrm {lumen} }{\mathrm {centimetre} ^{2}}}=10,000\ {\frac {\mathrm {lumens} }{\mathrm {metre} ^{2}}}=10,000\ \mathrm {lux} =10\ \mathrm {kilolux} }
Metric dimensions:
Illuminance = luminous intensity × solid angle / length2
See also
Illuminance
Lumen (unit)
Lux
Photometry (optics)
Light
References
External links
Knowledgedoor, LLC (2005). Library of Units and Constants: Illuminance Quantity. Retrieved 2006-07-21.
Illuminance Converter. Retrieved 2006-07-21.
Kata Kunci Pencarian:
- Pote Sarasin
- Sistem Satuan Internasional
- Ananda Mahidol
- Olimpias II dari Epiros
- Daftar singkatan zona waktu
- Prajadhipok
- Attikos dari Konstantinopel
- Al-Fatihah dalam berbagai bahasa
- Sistem metrik
- Pellene (Akhaia)
- Phot
- Phot (given name)
- Phraya Phahonphonphayuhasena
- Stefan–Boltzmann law
- Bullet money
- Illuminance
- Bibliotheca (Photius)
- Srirasmi Suwadee
- Si Maha Phot district
- Prachinburi province
- 1
- 2
Haunting of the Queen Mary (2023)
I Spit on Your Grave 2 (2013)
Disappear Completely (2024)
Dr. Lamb (1992)
Shoah (1985)
Deep Sea Python (2023)
No More Posts Available.
No more pages to load.
