What are two ways electromagnetic waves are used in a home computer
scanner?
A. Red light shi...
Biology, 15.12.2020 21:20 texas101st78
What are two ways electromagnetic waves are used in a home computer
scanner?
A. Red light shines on a black and white object, and light is reflected
according to the pattern of black and white
B. Visible light is reflected off an object and then captured by a
charge coupled device
C. An image is produced when a silicon chip releases electrons by
the photoelectric effect
D. X-rays shine on objects and the rays either pass through or are
absorbed by the objects
Answers: 3
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