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Questions and Answers
What type of light is used in a laser?
What type of light is used in a laser?
- Ultraviolet light
- Infrared light
- Visible light (correct)
- X-ray light
What does the acronym 'L.A.S.E.R.' stand for?
What does the acronym 'L.A.S.E.R.' stand for?
- Luminous Amplification of Solar Energy by Reflection
- Light Amplification by Stimulated Emission of Radiation (correct)
- Luminous Amplification by Stimulated Emission of Rays
- Light Absorption by Stimulated Emission of Radioactivity
In which year was the first working laser demonstrated?
In which year was the first working laser demonstrated?
- 1957
- 1985
- 1972
- 1960 (correct)
What is the process by which a laser produces a narrow, intense beam of light?
What is the process by which a laser produces a narrow, intense beam of light?
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What material is often used as the gain medium in solid-state lasers?
What material is often used as the gain medium in solid-state lasers?
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Which type of laser is commonly used in barcode scanners and laser pointers?
Which type of laser is commonly used in barcode scanners and laser pointers?
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What is the term used to describe the process in which light is emitted by a laser?
What is the term used to describe the process in which light is emitted by a laser?
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What is the primary mechanism by which a laser produces a concentrated beam of coherent light?
What is the primary mechanism by which a laser produces a concentrated beam of coherent light?
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What is the function of the 'gain medium' in a laser system?
What is the function of the 'gain medium' in a laser system?
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