Examlex
Sketch the graph of the function.
Light Beam
A stream of light particles (photons) traveling in the same direction, used in various applications including communication and measurement.
Sensor
A device that detects or measures a physical property (such as temperature, light, pressure) and records, indicates, or otherwise responds to it.
Photoelectric Sensors
Devices that detect objects, changes in light intensity, or proximity by emitting and receiving light.
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