ray of light vs beam of light

ray of light and beam of light both are nouns.

Word	Noun	Adjective	Verb	Adverb
ray of light	Yes	No	No	No
beam of light	Yes	No	No	No

As nouns, ray of light and beam of light are synonyms defined as:

Other synonyms of ray of light include beam, irradiation, light beam, ray, shaft, shaft of light.

ray of light (noun)	beam of light (noun)
a column of light (as from a beacon)	a column of light (as from a beacon)