Weekly Assessment W2

The first step in the operation of the sensor device is signal conversion.

• True

• False

Laser rangefinders are accurate because they use laser beams.

• True

• False

Light sensors are useful in underwater environments.

• True

• False

The smart lighting system in the home uses sensors to turn on the lights automatically when someone enters the room

• True

• False

An ultrasonic sensor is used for non-contact temperature measurement.

• True

• False

Visible light sensors help cars determine the distance to other vehicles.

• True

• False

Sensors help robots to...........

• Allow them to interact with their environment

• Increase their size

• Slow down their operations

One of the Common applications of sensors is the use of infrared in..............

• 3D scanning

• Smartphones

• Remote controls

• Vacuum cleaners