light intensity vs intensity

light intensity and intensity both are nouns.

Word	Noun	Adjective	Verb	Adverb
light intensity	Yes	No	No	No
intensity	Yes	No	No	No

As nouns, intensity is a hypernym of light intensity; that is, intensity is a word with a broader meaning than light intensity:

light intensity: luminous intensity measured in candelas
intensity: the amount of energy transmitted (as by acoustic or electromagnetic radiation)

Other hypernyms of light intensity include intensity level, strength.

light intensity (noun)	intensity (noun)
luminous intensity measured in candelas	high level or degree; the property of being intense
	chromatic purity: freedom from dilution with white and hence vivid in hue
	the magnitude of sound (usually in a specified direction)
	the amount of energy transmitted (as by acoustic or electromagnetic radiation)