Question

If 1 means an object is detected and 0 meaning no object is detected, then considering the sensor is stationary, what can be said about the movement of the object if the output by the sensor is 111000?

(a) Object is stationary

(b) Object is oscillating side by side

(c) Object is continuously moving away

(d) Object is continuously moving closer

The question was posed to me in final exam.

My question is based upon IR Sensor in chapter Interfacing of Sensors, Actuators, and Other Modules of Arduino

Answer 1

The correct answer is (c) Object is continuously moving away

For explanation I would say: The only explanation for such output from the sensor would be if the object is moving in such a path, that after a few cycles, the object becomes out of range of the sensor, thus implying that it is moving away continuously from the sensor.