
Ultrasonic Range Sensors
Flashcard
•
Instructional Technology
•
9th - 12th Grade
•
Practice Problem
•
Hard
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23 questions
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1.
FLASHCARD QUESTION
Front
Why does a single ultrasonic sensor have 2 "eyes" on it?
Back
One eye sends a signal and one receives it
2.
FLASHCARD QUESTION
Front
The reflected wave is called the _____ wave
Back
echo
3.
FLASHCARD QUESTION
Front
Why might the Ultrasonic sensors be preferred over Touch Sensors for detecting walls and obstacles?
Back
Hitting a wall could damage the wall, hitting a wall could damage the robot, and it is quicker to detect obstacles at a distance.
4.
FLASHCARD QUESTION
Front
Which mammal uses sonar to detect objects in the dark?
Back
Bat
5.
FLASHCARD QUESTION
Front
You cannot hear ultrasound because it is:
Back
high frequency
6.
FLASHCARD QUESTION
Front
The letter a on the image above is represent for .........
Back
Amplitude
7.
FLASHCARD QUESTION
Front
The letter b on the image above is represent for .........
Back
Wavelength
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