6 Questions
Which type of laser is commonly used in supermarkets to read bar codes?
Red laser
Which field of study utilizes He-Ne lasers to produce 3D images of objects?
Holography
Surveyors take advantage of which characteristic of the helium-neon laser to take precise measurements over long distances?
Good beam quality
Which type of laser is found to emit light that is more directional and more monochromatic?
Gas lasers
Which effects are present in solid-state lasers that can affect their performance?
Crystalline imperfection, thermal distortion, and scattering
Which type of laser is capable of operating continuously without the need for cooling?
Gas lasers
Test your knowledge about He-Ne lasers and their diverse applications in various fields including supermarkets, holography, optics, and surveying.
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