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Ray Diagrams For Lenses definitions

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Terms in this set (15)

  • Converging Lens
    A lens that bends light rays towards a central axis, causing them to converge at a point.
  • Diverging Lens
    A lens that spreads light rays apart, preventing them from converging at a point.
  • Refraction
    The bending of light as it passes through a medium, such as a lens.
  • Focus
    The point where light rays converge or appear to diverge after passing through a lens.
  • Focal Length
    The distance from the lens to the focus, crucial for drawing ray diagrams.
  • Bi-Convex Lens
    A lens with two outwardly curved surfaces, commonly used as a converging lens.
  • Bi-Concave Lens
    A lens with two inwardly curved surfaces, commonly used as a diverging lens.
  • Virtual Image
    An image formed by diverging lenses, appearing to be located on the same side as the object.
  • Real Image
    An image formed by converging lenses, located on the opposite side of the lens from the object.
  • Central Axis
    An imaginary line that passes through the center of a lens, used as a reference in ray diagrams.
  • Thin Lens
    A lens whose thickness is negligible compared to its radius of curvature.
  • Apparent Focus
    The point from which diverging light rays appear to originate after passing through a lens.
  • Ray Diagram
    A graphical method to determine the path of light through lenses and locate images.
  • Upright Image
    An image that maintains the same orientation as the object, typically formed by diverging lenses.
  • Inverted Image
    An image that is upside down relative to the object, typically formed by converging lenses.