What Do You Know About Light?

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  • 1/10 Questions

    What is the major source of light on earth?

    • Moon
    • Sun
    • Rainbow
    • Fire
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About This Quiz

Light is one of the most important thing in life, we love it, we use it. How much do you know about light? Can you write an article on light? Come on take this quiz to test your knowledge

What Do You Know About Light? - Quiz

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  • 2. 
    Who discovered the effect of light known as Faraday's radiation? - ProProfs

    Who discovered the effect of light known as Faraday's radiation?

    • Thomas Edison

    • Michael Faraday

    • Williams Moore

    • Leuton Kill

    Correct Answer
    A. Michael Faraday
    Explanation
    Michael Faraday is the correct answer because he is the scientist who discovered the effect of light known as Faraday's radiation. Faraday was an English scientist who made significant contributions to the fields of electromagnetism and electrochemistry. He conducted experiments on the interaction between light and matter, and his discoveries laid the foundation for the understanding of the electromagnetic spectrum and the behavior of light. His work on Faraday's radiation helped advance our knowledge of the properties and behavior of light.

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  • 3. 
    Which of the following is the process by which some species of animals generate their own light? - ProProfs

    Which of the following is the process by which some species of animals generate their own light?

    • Bioluminescence

    • Biophoto

    • Biolight

    • Biolucemt

    Correct Answer
    A. Bioluminescence
    Explanation
    Bioluminescence is the process by which some species of animals generate their own light. It is a biochemical reaction within the organism's body that produces light through the oxidation of a light-emitting molecule called luciferin. This phenomenon is observed in various marine organisms such as jellyfish, anglerfish, and fireflies. Bioluminescence serves different purposes for different species, including attracting mates, camouflage, and luring prey. It is a fascinating adaptation that allows these organisms to produce light without heat, making it an efficient and unique form of communication and survival strategy.

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  • 4. 
    Which of the following is referred to as the bending of light rays when passing through a surface between one transparent material and another? - ProProfs

    Which of the following is referred to as the bending of light rays when passing through a surface between one transparent material and another?

    • Echo

    • Diffraction

    • Reflection

    • Refraction

    Correct Answer
    A. Refraction
    Explanation
    Refraction is the correct answer because it refers to the bending of light rays when they pass through a surface between two transparent materials. This bending occurs due to the change in speed of light as it moves from one medium to another, causing the light rays to change direction.

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  • 5. 
    Which of the following is known as the study of light? - ProProfs

    Which of the following is known as the study of light?

    • LIghtology

    • Rectilinear

    • Optics

    • None of he abpve

    Correct Answer
    A. Optics
    Explanation
    Optics is the correct answer because it is the branch of physics that deals with the behavior and properties of light, including its interactions with matter and the instruments used to detect and measure it. It involves the study of the nature of light, its transmission, reflection, refraction, diffraction, and interference. Optics is a fundamental field of study in physics and is essential in various applications such as the design of lenses, mirrors, and optical instruments, as well as in fields like astronomy, photography, and telecommunications.

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  • 6. 
    Who created a mathematical particle theory of polarization? - ProProfs

    Who created a mathematical particle theory of polarization?

    • Isaac Newton

    • Étienne-Louis Malus

    • Jean Larmack

    • Thomas Edison

    Correct Answer
    A. Étienne-Louis Malus
    Explanation
    Étienne-Louis Malus is the correct answer because he is credited with creating a mathematical particle theory of polarization. This theory, known as Malus' law, describes the intensity of light that is transmitted through a polarizer. Malus' work in the early 19th century greatly contributed to the understanding of polarization and its applications in various fields such as optics and telecommunications.

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  • 7. 
    Which of the following is defined as  the measures of light with wavelength weighted with respect to a standardised model of human brightness perception? - ProProfs

    Which of the following is defined as  the measures of light with wavelength weighted with respect to a standardised model of human brightness perception?

    • Radiometry

    • Photometry

    • Lactometry

    • Luminometry

    Correct Answer
    A. Photometry
    Explanation
    Photometry is the correct answer because it is the branch of physics that deals with the measurement of light in terms of its perceived brightness by the human eye. It involves the use of a standardized model of human brightness perception to weight the measurements of light with different wavelengths. This allows for a more accurate representation of how humans perceive light, taking into account the sensitivity of the human eye to different wavelengths. Radiometry, on the other hand, focuses on the measurement of light in terms of its physical properties, such as power or energy. Lactometry and Luminometry are not relevant to the measurement of light.

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  • 8. 
     Which of the following consists of measurements of light power at all wavelengths? - ProProfs

     Which of the following consists of measurements of light power at all wavelengths?

    • Lightometry

    • Photometry

    • Radiometry

    • Photosyntolometry

    Correct Answer
    A. Radiometry
    Explanation
    Radiometry is the correct answer because it is the branch of science that deals with the measurement of light power at all wavelengths. It encompasses the measurement of radiant energy, radiant flux, and other related quantities. This field is important in various applications such as astronomy, remote sensing, and optical communications. Lightometry, photometry, and photosyntolometry are not the correct answers because they either focus on specific aspects of light measurement or are not recognized terms in the field of light measurement.

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  • 9. 
    Who discovered the diffraction of light? - ProProfs

    Who discovered the diffraction of light?

    • Isaac Newton

    • Galileo

    • Francesco Grimaldi

    • Thomas Edison

    Correct Answer
    A. Francesco Grimaldi
    Explanation
    Francesco Grimaldi is credited with discovering the diffraction of light. Diffraction is the bending or spreading of waves as they pass through an opening or around an obstacle. Grimaldi observed this phenomenon when he passed light through a narrow slit and noticed that it spread out and created a pattern of light and dark bands. His discovery laid the foundation for the understanding of wave behavior and the study of optics.

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  • 10. 
    When was Faraday's rotation discovered? - ProProfs

    When was Faraday's rotation discovered?

    • 1860

    • 1900

    • 1845

    • 1812

    Correct Answer
    A. 1845
    Explanation
    Faraday's rotation refers to the phenomenon of the rotation of the plane of polarization of light as it passes through certain materials in the presence of a magnetic field. This phenomenon was discovered by Michael Faraday in 1845. Therefore, the correct answer is 1845.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 06, 2017
    Quiz Created by
    Jaksiboy
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