Ir Plus A

How do IR sensors detect objects?

• By emitting sound waves

• By emitting visible light

• By emitting and receiving infrared light

• By emitting radio waves

What is the primary function of an IR sensor in robotics?

• Temperature measurement

• Object detection

• Light intensity measurement

• Sound detection

IR sensors are commonly used for

• Measuring humidity

• Detecting invisible objects

• Playing music

• Transmitting data over long distances

Infrared sensors work by detecting

• Ultraviolet light

• X-rays

• Infrared radiation

• Radio waves

Which of the following is an application of IR sensors?

• GPS navigation

• Measuring air pressure

• Line following in robotics

• Cooking food

What is the typical range of IR sensors used for object detection?

• A few millimeters

• A few meters

• Hundreds of kilometers

• They have no range

IR sensors are commonly used in remote controls to

• Sense body temperature

• Control household lighting

• Communicate with satellites

• Measure wind speed

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Which component of an IR sensor emits the infrared light?

• Receiver

• Detector

• Transmitter

• Microcontroller

IR sensors are often used for obstacle detection in

• Underwater vehicles

• Space exploration

• Autonomous cars

• Cooking appliances

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Infrared sensors are sensitive to changes in

• Magnetic fields

• Air pressure

• Temperature

• Sound frequency

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