# Intensity from lambertian sphere

1. ### elis02

4
Hi,

I have a question that I need to find the intensity from a lambertian sphere radius a, as seen from distance R
the intensity units as we work are watt/str
it's just like this problem (without doing R>>a)
http://www.tpdsci.com/tpc/RdmLambSrcSph_P.php

so if someone knows the solution that's great.