Properties of Light and Reflection Vocabulary
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Flashcards defining core vocabulary terms related to the ray model of light, reflection, and plane mirror properties.
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12 Terms
Ray Model of Light
A model that uses a straight line with an arrowhead, or ray, to show the direction the light wave is traveling.
Ray of Light
An extremely narrow beam of light.
Rectilinear Propagation
Refers to the property of light to travel in a straight line.
Incident Ray
The incoming light ray.
Reflected Ray
The ray that bounces off the barrier.
Normal
An imaginary line that is perpendicular to the barrier.
Angle of Incidence
The angle formed by the incident ray and the normal.
Angle of Reflection
The angle formed by the reflected ray and the normal.
Law of Reflection
States that when an object hits a surface, its angle of incidence will equal the angle of reflection.
SPOT
Acronym used for image properties: Size (Larger or Smaller than object), Position (Closer or Further away from mirror or optical centre), Orientation (upright or inverted), and Type (Real or Virtual).
Plane Mirror
Refers to flat mirrors.
Reflection
The process in which light strikes a surface and bounces off that surface.