Principles of Optics Crossword Puzzle

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Principles of Optics Crossword Puzzle

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QUESTIONS LIST:

  • optics: the branch of physical science that deals with the properties of light and vision
  • physical optics: describe the nature of light in terms of its wave properties
  • geometric optics: deals with the transmission of light as rays and is concerned with the effect of lenses on light and the production of images
  • opaque: substances that block light completely
  • translucent: substances that transmit light but significantly interfere with its passage
  • transparent: substances that permit the passage of light without significant disruption
  • refractive index: the ratio of the speed of light in a vacuum to its speed through a specific substance
  • prism: a triangular piece of glass or plastic with plane (flat) sides, an apex (top), and a base (bottom)
  • converge: to come together
  • diverge: to spread apart
  • convex lens: a piece of glass or plastic in which one or both surfaces are curved outward; thicker at the center and thinner at its end
  • concave lens: a piece of glass or plastic in which one or both surfaces curve inward; thinner at the center and thicker at its end
  • parallel: refers to rays that travel side by side in the same direction, neither diverging or converging
  • focal point: a point somewhere along the principal axis from a distant source that is refracted by a lens and converges in the case of a convex lens and diverges in the case of a concave lens
  • vergence: a measure of the ability to converge or diverge light ray
  • focal length: the distance between the focal point and the lens
  • diopters: the unit of measure of the power of the lens
  • virtual image: the image formed by a concave lens when the par-axial rays from a distant source are refracted and diverge
  • paraxial rays: light rays that enter a lens system away from the center