The picture on the ____ coating on the face of a TV picture tube is caused by an electron beam that sweeps the screen horizontally at 15,750 times per second and vertically at 60 times per second.
A)fluorescent
B)matte
C)shiny
D)clear

Question

Quizplus · Accepted Answer

The electron beam in a TV picture tube causes a fluorescent coating on the screen to emit light, which creates the image visible to the viewer. Matte, shiny, and clear coatings are not typically used on TV picture tubes.

The Picture on the ____ Coating on the Face of a TV