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### 27 Cards in this Set

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 What is a narrow beam of light traveling in a straight line? A light ray What is a wave that does not need a medium in which to travel? An electromagnetic wave The process of light striking an object is called? Reflection Materials that let no light pass through? Opaque Materials, such as glass, that allow nearly all the light to pass through? Transparent Materials, such as waxed paper or frosted glass are called? Translucent The distance between the tops of two adjacent ripples. Wavelength Number of wavelengths that pass a point in one second? Frequency Mixture of light waves of all visible colors from red to blue? White light The law that states that the angle of incidence is equal to the angle of reflection? The Law of Reflection The reflection of light waves from a rough surface is called? Diffuse Reflection The mirrorlike reflection from a smooth surface that produces a sharp image of an object is called? Regular Reflection A single point on the optical axis? Focal Point The distance of the focal point from the center of the mirror or lens? Focal Length What is a flat mirror called? Plane Mirror What is mirror that is curved inward called? Concave Mirror What is a mirror that is curved outward called? Convex Mirror The bending of a light wave due to a change in speed when the wave moves from one medium to another is called? Refraction What is a transparent object with at least one curved side that cause light to bend? A Lens What is a lens that is thicker in the center than at the edges called? Convex Lens What is a lens that is thicker at the edges than in the middle is called? Concave Lens Convex lenses are also called? Converging Lenses Concave lenses are also called? Diverging Lenses What is used to magnify very small objects? Microscope What uses an objective lens to form an image of a distant object? Refracting Telescope What uses a concave mirror to gather light from a distant object? Reflecting Telescope What has a convex lens that forms an image on a section of film? Camera