
Light Sensor Basics
Quiz
•
Computers
•
3rd Grade
•
Practice Problem
•
Easy
Ganesan M
Used 1+ times
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a light sensor work?
A light sensor works by detecting the presence or absence of light and converting it into an electrical signal.
A light sensor works by emitting light to detect objects
A light sensor works by analyzing sound waves
A light sensor works by measuring temperature changes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of a light sensor on a microbit?
Play music
Measure temperature
Count steps
Detect the amount of light
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the process of programming a light sensor on a microbit.
The process involves connecting the light sensor, writing a program in the microbit editor, initializing the sensor, detecting light level changes, and displaying corresponding outputs.
The light sensor on a microbit can only be programmed by professional engineers
Programming a light sensor involves using a microphone instead of a light sensor
The process involves connecting the light sensor and turning it on, no programming needed
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are some common applications of light sensors?
Pencil sharpeners
Bicycle tires
Automatic lighting systems, streetlights, security systems, photography equipment, solar panels
Toaster ovens
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to calibrate a light sensor?
To ensure accurate readings by adjusting the sensor to match the true light intensity in its environment.
To confuse the sensor with inaccurate data
To increase the sensor's weight
To make the sensor more visible
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can light sensors detect colors or just light intensity?
Sound
Pressure
Colors
Temperature
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can light sensors help in energy conservation?
By emitting more heat than light
By increasing energy consumption
By detecting natural light levels and adjusting artificial lighting accordingly.
By blocking natural light sources
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