How Well Do You Know About Laser? Trivia Quiz

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  • 1/14 Questions

    What does the acronym LASER stand for?

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About This Quiz

Explore the fundamentals of laser technology with this trivia quiz. Test your knowledge on the acronym LASER, wavelengths of common lasers, historical inventors, and more. Ideal for learners interested in physics and optical engineering.

How Well Do You Know About Laser? Trivia Quiz - Quiz

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  • 2. 

    Which of these is not a laser type?

    • Semiconductor laser

    • Gas laser

    • Quark laser

    • DPSS laser

    • Dye laser

    Correct Answer
    A. Quark laser
    Explanation
    The given options include different types of lasers, such as semiconductor laser, gas laser, DPSS laser, and dye laser. However, "Quark laser" is not a recognized type of laser. Lasers typically operate by emitting light through the process of stimulated emission, but a "Quark laser" does not exist in the known classification of lasers.

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  • 3. 

    What type of laser emits light at 694.3 nm?

    • Ruby laser

    • DPSS laser

    • Helium-Neon laser

    • Argon-Ion laser

    • Diode laser

    Correct Answer
    A. Ruby laser
    Explanation
    A Ruby laser emits light at a wavelength of 694.3 nm. This type of laser uses a synthetic ruby crystal as the gain medium, which is excited by a flash lamp or another laser. The ruby crystal produces a red laser beam due to the transition of chromium ions within the crystal. This specific wavelength makes the Ruby laser suitable for various applications, including dermatology, tattoo removal, and scientific research.

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  • 4. 

    What wavelength is the common green laser?

    • 405 nm

    • 473 nm

    • 513 nm

    • 532 nm

    • 650 nm

    Correct Answer
    A. 532 nm
    Explanation
    The common green laser has a wavelength of 532 nm.

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  • 5. 

    What does the acronym DPSS stand for?

    Correct Answer
    Diode Pumped Solid State
    Diode Pump Solid State
    Diode-pumped solid-state
    Explanation
    The acronym DPSS stands for Diode Pumped Solid State. This refers to a type of laser in which the active medium is a solid-state material that is pumped by a diode laser. The diode laser emits light that is absorbed by the solid-state material, causing it to become excited and emit laser light. This technology is commonly used in various applications such as laser pointers, laser engraving, and scientific research.

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  • 6. 

    Which of these is a beam mode (Transverse mode) ? 

    • Class 3B

    • TEM00

    • PE-00

    • Cubic

    • 1000

    Correct Answer
    A. TEM00
    Explanation
    TEM00 is a beam mode or transverse mode. TEM stands for Transverse Electro-Magnetic, and the subscript 00 indicates that it is the fundamental mode with a Gaussian intensity profile. This mode has a symmetric intensity distribution and a single peak in the center, making it the most commonly used and desired mode in many applications including laser technology and optical communications.

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  • 7. 

    In what country are the vast majority of lasers manufactured?

    • Japan

    • China

    • USA

    • India

    • Germany

    Correct Answer
    A. China
    Explanation
    China is the correct answer because it is known to be the leading manufacturer of lasers in the world. China has a strong manufacturing industry and is known for its production capabilities in various sectors, including technology. The country has a large number of laser manufacturing companies and is responsible for producing a significant portion of the world's lasers. Additionally, China has made significant advancements in laser technology and has a competitive edge in terms of cost and production capacity, making it the primary location for laser manufacturing.

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  • 8. 

    What wavelength is the lasers from diodes from blu-ray burners?

    • 266 nm

    • 405 nm

    • 445 nm

    • 473 nm

    • 500 nm

    Correct Answer
    A. 405 nm
    Explanation
    The lasers from diodes in Blu-ray burners emit light with a wavelength of 405 nm.

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  • 9. 

    What is the ideal current of a pHR-803t laser diode?

    • 30-40 mA

    • 100-120 mA

    • 180 - 200 mA

    • 450 - 500 mA

    • 1 - 1,2 A

    Correct Answer
    A. 100-120 mA
    Explanation
    The ideal current for a PHR-803t laser diode is 100-120 mA. This range of current ensures that the laser diode operates within its optimal performance and efficiency levels. Going below or above this range may result in reduced output power or even damage to the diode. Therefore, it is important to maintain the current within the specified range for the proper functioning of the laser diode.

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  • 10. 

    What color does the LPC-815 diode lase?

    • Green

    • Red

    • Blue

    • Infrared

    • Violet

    Correct Answer
    A. Red
    Explanation
    The LPC-815 diode lases in the red color.

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  • 11. 

    What are normal scanning speeds of scanning galvos in laser projectors?

    • 100 -1500 pps

    • 2 - 5 kpps

    • 8 - 60 kpps

    • 100 - 200 kpps

    • 1 - 2 mpps

    Correct Answer
    A. 8 - 60 kpps
    Explanation
    The normal scanning speeds of scanning galvos in laser projectors range from 8 to 60 kpps. Scanning galvos are used to control the movement of laser beams in laser projectors, allowing for the creation of images or patterns. The given answer suggests that the typical scanning speeds fall within this range, indicating that it is a common and accepted range for scanning galvos in laser projectors.

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  • 12. 

    Which of these is not a laser manufacturer?

    • BOB Laser

    • CNI

    • Laserglow

    • Viasho

    • CrystaLaser

    Correct Answer
    A. Laserglow
    Explanation
    Laserglow is not a laser manufacturer. Although the other options listed are all laser manufacturers, Laserglow is a company that specializes in the distribution and retail of lasers, rather than manufacturing them.

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  • 13. 

    Which of these is not a common laser diode driver (PSU)?

    • RKCSTR Micro-drive

    • Flexmod

    • Micro Flexdrive

    • Micro Boostdrive

    • Micro Laserdrive

    Correct Answer
    A. Micro Laserdrive
    Explanation
    The given correct answer is "Micro Laserdrive". The other options mentioned, RKCSTR Micro-drive, Flexmod, Micro Flexdrive, and Micro Boostdrive, are all common laser diode drivers (PSUs). However, the Micro Laserdrive is not a commonly used laser diode driver.

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  • 14. 

    Who invented the first laser?

    • Gordon Gould

    • Isaac Newton

    • Charles Townes

    • Ronald Pfefferberg

    • Charles McKie

    Correct Answer(s)
    A. Gordon Gould
    A. Charles Townes
    Explanation
    Gordon Gould is credited with inventing the first laser. He developed the concept of the laser and obtained a patent for it in 1959. Charles Townes also played a significant role in the invention of the laser. He built the first working laser prototype, known as the maser, in 1954. While both Gould and Townes made important contributions, Gould is specifically recognized as the inventor of the laser due to his patent and his work in developing the concept.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 14, 2010
    Quiz Created by
    Grix
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