Grade 7 Ch 4 L 2 Light

10 Questions | Total Attempts: 1738

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Light Quizzes & Trivia

Questions and Answers
  • 1. 
    A material through which objects can be seen clearly
    • A. 

      Opaque

    • B. 

      Transparent

    • C. 

      Translucent

  • 2. 
    A material through which objects appear blurry
    • A. 

      Opaque

    • B. 

      Transparent

    • C. 

      Translucent

  • 3. 
    A material through which light does not pass
    • A. 

      Opaque

    • B. 

      Transparent

    • C. 

      Translucent

  • 4. 
    Low-frequency, low-energy electromagnetic waves with a wavelength longer than 30 cm
    • A. 

      Radio Waves

    • B. 

      Infrared Waves

    • C. 

      Ultraviolet Waves

  • 5. 
    Electromagnetic waves with a slightly shorter wavelength and higher frequency than light
    • A. 

      Radio Waves

    • B. 

      Infrared Waves

    • C. 

      Ultraviolet Waves

  • 6. 
    Electromagnetic waves with a wavelength shorter than a microwave and longer than light
    • A. 

      Radio waves

    • B. 

      Infrared waves

    • C. 

      Ultraviolet waves

  • 7. 
    The color of an opaque object is the color of light it
    • A. 

      Reflects

    • B. 

      Absorbs

    • C. 

      Transmits

  • 8. 
    The intensity of light depends on
    • A. 

      Wavelength

    • B. 

      How much of it is absorbed

    • C. 

      How much energy it has

  • 9. 
    Which structure SENDS signals about what you see to the brain?
    • A. 

      Lens

    • B. 

      Retina

    • C. 

      Cornea

  • 10. 
    Light is a _______________ wave.
    • A. 

      Longitudinal

    • B. 

      Electromagnetic

    • C. 

      Mechanical