# Lambert's cosine law

> description in optics of the angular dependency of the radiant intensity of a radiant surface

**Wikidata**: [Q1190146](https://www.wikidata.org/wiki/Q1190146)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lambert's_cosine_law)  
**Source**: https://4ort.xyz/entity/lambert-s-cosine-law


## References

1. Freebase Data Dumps. 2013