Properties of Light 2
Terms
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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