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Unit on Light

Quiz by Usha

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20 questions
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  • Q1
    Opaque material
    A material that reflects or absorbs all of the light that strikes it is an
    30s
  • Q2
    diffuse refelction
    When light bounces off an uneven surface, the result is called
    30s
  • Q3
    prism
    A curved piece of glass or other transparent material that is used to refract light is a
    30s
  • Q4
    iris
    A ring of muscle that change the size of the eyeś pupil is the
    30s
  • Q5
    secondary colors
    Primary colors combine to make
    30s
  • Q6
    rays
    Lines that represent light waves are called
    30s
  • Q7
    virtual image
    An upright image is called a
    30s
  • Q8
    nearby objects appear blurry.
    For a farsighted person
    30s
  • Q9
    increases
    The index of refraction for water is 1.33 and for glass is 1.5. When light moves from glass into water, the speed of light
    30s
  • Q10
    Concave mirror
    A convex lens can produce a real or a virtual image. Which type of mirror is most similar to a convex lens?
    30s
  • Q11
    black and green
    You view an American flag through sunglasses that are tinted green. What color do you see?
    30s
  • Q12
    transmit light.
    Transparent material such as clear glass
    30s
  • Q13
    transmit and scatter light.
    Translucent materials such as frosted glass
    30s
  • Q14
    Rose petals reflects red and absorbs other colors. Leaves reflect green and absorb other colors.
    Why do you see the petals of a rose as red and leaves as green?
    30s
  • Q15
    white light.
    Complementary colors can be combined to form
    30s

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