Night Vision Quiz

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About This Quiz

With the Night Vision Quiz, test your knowledge of the technology behind night vision.

Which of the following statements is true?

Night vision equipment allows you to see in the dark. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

Which type of technology does night vision equipment use?

Night vision equipment uses image enhancement technology and thermal imaging technology. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

Which night vision technology works by collecting the tiny amounts of light, including the lower portion of the infrared light spectrum, that are present but may be imperceptible to our eyes, and amplifying it to the point that we can easily observe the image?

Image enhancement technology night vision technology works by collecting the tiny amounts of light, including the lower portion of the infrared light spectrum, that are present but may be imperceptible to our eyes, and amplifying it to the point that we can easily observe the image. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

Which type of night vision technology operates by capturing the upper portion of the infrared light spectrum, which is emitted as heat by objects instead of simply reflected as light?

Thermal imaging technology operates by capturing the upper portion of the infrared light spectrum, which is emitted as heat by objects instead of simply reflected as light. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

According to the visible light color spectrum, which type of light has the most energy?

According to the visible light color spectrum, violet light has the most energy. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

According to the visible light color spectrum, which type of light has the least amount of energy?

According to the visible light color spectrum, red light has the least amount of energy. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

How many categories can infrared light be split into?

Infrared light can be split into 3 different categories. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

Which term is used to describe a particle of light?

Photon in the term used to describe a particle of light. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

Which of the following statements is true?

Un-cooled thermal-imaging devices are less expensive than cryogenically-cooled thermal-imaging devices. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

Which of the following statements is true?

Most night vision equipment uses image-enhancement technology. <a href="http://electronics.howstuffworks.com/gadgets/other-gadgets/nightvision.htm">How Night Vision Works</a>

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