Question

What is the difference between ultrasonic sensor and infrared sensor?

Answer 1

Infrared sensors are also used to measure distance or proximity. The reflected light is detected and then an estimate of distance is calculated between sensor and object. Infrared sensors can't work in dark environments while Ultrasonic Sensors can. ... Infrared sensor values normally fluctuate in variant light conditions.

Answer 2

Explanation:

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option A is the answer