EU: INV_STERADIAN
Status:
STD 2005/06/07
Code:
91
Symbol:
1/sr
EQ label:
RECIPROCAL_SOLID_ANGLE
Quantities associated with this Unit
Quantity:
reciprocal solid angle
Concept definition:
The reciprocal of a solid angle of a cone is the ratio of the square of the radius of a sphere (with its centre at the apex of that cone) to the area cut out on a spherical surface.
1 sr
-1
= 1 m
2
/m
2
= 1.
Reference type:
PR
Reference:
[
ISO 80000-1:2009
, 6.5.3 (derived)]
Supplemental references:
Send mail to
webmaster
with questions or comments about this web site.
