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Questions and Answers
How do factories use the property of light travelling in straight lines?
How do factories use the property of light travelling in straight lines?
Factories count objects by blocking light from reaching the light sensor.
What happens in a car wash when the car blocks light from reaching the light sensor?
What happens in a car wash when the car blocks light from reaching the light sensor?
The car wash machines start operating.
How are automated doors or gates opened when a person or object blocks light from reaching the light sensor?
How are automated doors or gates opened when a person or object blocks light from reaching the light sensor?
Automated doors or gates open automatically.
What is a common application of light travelling in straight lines in car washes?
What is a common application of light travelling in straight lines in car washes?
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How do objects get counted in factories using light sensors?
How do objects get counted in factories using light sensors?
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