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is the opacity of the radiograph or its inability to be penetrated by light

degree of opaqueness on the radiograph

types of opaquenessypblacno

type of opaqueness na naoobserve pa rin ang nasa loob

type of opaqueness na nasisinag pa ang nasa loob

type of opaqueness na hidi nakikita ang nasa loob

black/well penetrated structure radiograph

white/not penetrated structure radiograph

wall-mounted or portable device with fluorescent light bulbs that is covered with a white transparent material

this transparent material covers causes the light to be diffused every across the viewing surface

no color and no density

invisible image