When a laser beam is directed from the laser source to an optical disk and energized, it creates a physical change in the structure of that disk known
A) flat
B) pit
C) land
D) all of the above

Question

Quizplus · Accepted Answer

When a laser beam is directed at an optical disk and energized, it creates a physical change in the structure of the disk known as a "pit." This is in contrast to the unaltered areas called "lands."

When a Laser Beam Is Directed from the Laser Source