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Light and Optics

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  • What type of electromagnetic waves are associated with thermal energy?
    Infrared
  • What type of matter allows all light to pass through it?
    Transparent Material
  • What type of electromagnetic radiation is associated with skin cancer?
    Ultraviolet Light
  • A piece of paper is considered to be what kind of material?
    Translucent Materials
  • What light behaviour described the bending of light as it moves from one medium to another?
    Refraction
  • What type of material blocks light and produces a shadow?
    Opaque material
  • What type of lens causes light waves to spread out or diverge?
    Concave lens
  • What is the only type of electromagnetic wave that humans can see?
    Visible Light
  • What type of electromagnetic radiation is used to produce images that show what is inside an object or living thing?
    X-rays
  • Why does white light that passes through a prism separate into a spectrum of colours?
    b. The light refracts as it passes through the prism, separating into different colors
  • What type of lens helps magnify an image, making it appear larger?
    Convex len
  • What moves faster than the speed of light?
    Nothing
  • An object that produces light is called
    Luminous
  • How are lenes important or useful?
    They can make images appear bigger or smaller
  • Light that is produced by burning is called
    Incandescent
  • What type of wave has the longest wavelength and lowest frequency?
    Radio waves
  • What type of wave has the shortest wavelength and highest frequency?
    Gamma Rays
  • What light behaviour can be described as the bouncing of light?
    Reflection
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