Question

what is one example of the use of an infrared sensor? Track shipments, monitor building exit and entry, water flows without turning on a facet, or barcode scanner

Answer 1

Your answer should be water flows without turning on a facet. Hope this helps!

Answer 2

The correct answer is option D, bar-code scanner

Step-by-step explanation:

Barcode scanners are low scale emission devices that are tagged as “2A” laser devices. These scanners are able to emit radiations which hit the barcode and then get reflected. The reflected lights is received by the same scanner which further interprets the signals to understand the message received and match it with the barcode.

Commonly, a barcode scanner is made up of an Infrared emitter and infrared detector.