laser
Laser light is highly directional. This topic is part of Optics within Science & Nature. This page currently draws on 12 supporting questions, with answers and bonus facts available below.
laser trivia questions
A laser produces a concentrated beam of what?
Answer: Light
Bonus fact: Laser light is highly directional.
What does LASER stand for?
Answer: Light Amplification by Stimulated Emission of Radiation
Bonus fact: The acronym describes the physical process that produces laser light.
What property means laser light waves maintain a fixed phase relationship?
Answer: Coherence
Bonus fact: Coherence helps laser beams stay narrow and produce strong interference effects.
Traditional laser barcode scanners detect differences in what?
Answer: Reflected light
Bonus fact: Dark bars reflect less light than light spaces.
A laser beam is usually highly what?
Answer: Focused and coherent
Bonus fact: Laser light has unusually well-organized waves.
LASER is an acronym involving amplification by stimulated emission of what?
Answer: Radiation
Bonus fact: The full phrase is Light Amplification by Stimulated Emission of Radiation.
Who demonstrated the first working laser in 1960?
Answer: Theodore Maiman
Bonus fact: Maiman demonstrated the first working laser at Hughes Research Laboratories.
A laser mouse is a type of what computer device?
Answer: Pointing device
Bonus fact: It tracks movement across a surface and translates that motion into pointer movement on screen.
What does a laser mouse use instead of the visible LED common in many optical mice?
Answer: A laser diode
Bonus fact: Laser illumination can help a sensor read fine surface detail on a wider range of materials.
Modern pentathlon traditionally includes fencing, swimming, equestrian jumping, running, and what?
Answer: Shooting
Bonus fact: Running and shooting are now combined in a laser-run format.
A compact disc is read using what?
Answer: Laser
Bonus fact: A laser reads microscopic pits and lands.
What technology did the original Vive use to track a player around a room?
Answer: External base stations using laser sweeps
Bonus fact: The Lighthouse tracking system allowed accurate position and orientation tracking across a defined play space.