Light! Practice Test . . .

20 Questions | Total Attempts: 5657

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Light Quizzes & Trivia

This will help you study for the light test on Wednesday!


Questions and Answers
  • 1. 
    Light is best described as a:
    • A. 

      Particle

    • B. 

      Wave

    • C. 

      Point

    • D. 

      Particle and Wave

    • E. 

      Point and Wave

  • 2. 
    An image in which no light rays can pass through it is called:
    • A. 

      Opaque

    • B. 

      Translucent

    • C. 

      Transparent

    • D. 

      Pigment

    • E. 

      Convex

  • 3. 
    How much a wave will bend depends on: 
    • A. 

      The wavelength of light in both materials

    • B. 

      The frequency of light in both materials

    • C. 

      The radiation given off in both materials

    • D. 

      The speed of light in both materials

    • E. 

      All the above

  • 4. 
    When waves in phase combine, it is called:
    • A. 

      Destructive Combination

    • B. 

      Constructive Combination

    • C. 

      Destructive Interference

    • D. 

      Constructive Interference

    • E. 

      Loud

  • 5. 
    An image in which no light rays pass through it is called a:
    • A. 

      Real Image

    • B. 

      Virtual Image

    • C. 

      Reflection

    • D. 

      Refraction

    • E. 

      Diffraction

  • 6. 
    What 3 colors of light would produce white light?
    • A. 

      Red, Orange & Yellow

    • B. 

      Red, Yellow & Blue

    • C. 

      Red, Yellow & Green

    • D. 

      Red, Green & Blue

    • E. 

      Red, Blue & Violet

  • 7. 
    • A. 

      Rods

    • B. 

      Cones

    • C. 

      Lenses

    • D. 

      Irises

    • E. 

      Retinas

  • 8. 
    When you see a white t-shirt, which cones are stimulated in your eyes?
    • A. 

      Red Cones

    • B. 

      Green Cones

    • C. 

      Blue Cones

    • D. 

      All 3 Cones

    • E. 

      Red & Green Cones

  • 9. 
    The biggest disadvantage of incandescent lighting is:
    • A. 

      It's expensive

    • B. 

      It's not good for the environment

    • C. 

      It's not heat efficient

    • D. 

      It's not white light

  • 10. 
    This types of mirror has a surface that curves inward:
    • A. 

      Convex Mirror

    • B. 

      Concave Mirror

    • C. 

      Longitudinal Mirror

    • D. 

      Opaque Mirror

  • 11. 
    • A. 

      Convex Mirror

    • B. 

      Magnitude Mirror

    • C. 

      Maximize Mirror

    • D. 

      Concave Mirror

  • 12. 
    Convex mirrors are thicker in the middle so they cause light rays to _______________.
    • A. 

      Converge

    • B. 

      Diverge

  • 13. 
    Concave lenses are thinner in the middle and thicker at the edges so they cause light rays to __________________.
    • A. 

      Converge

    • B. 

      Diverge

  • 14. 
    In a normal eye, light rays converge on the:
    • A. 

      Lens

    • B. 

      Retina

    • C. 

      Iris

    • D. 

      Pupil

    • E. 

      Cochlea

  • 15. 
    Which is true of far-sighted people?
    • A. 

      They can only see things up close, not far away.

    • B. 

      They can only see things far away, not up close.

  • 16. 
    Which of the following is true of near-sighted people?
    • A. 

      They can only see things up close, not far away.

    • B. 

      They can only see things far away, not up close.

  • 17. 
    People who are near-sighted need a ______________ lens to diverge light rays because their eyeball is too ________.
    • A. 

      Convex, long

    • B. 

      Concave, long

    • C. 

      Convex, short

    • D. 

      Concave, short

  • 18. 
    Einstein called particles in the form of light:
    • A. 

      Light-packets

    • B. 

      Quantums

    • C. 

      Photons

    • D. 

      Reverberations

    • E. 

      Electromagnetic Radiation

  • 19. 
    Which of the following lists the 6 colors of the visible spectrum from shortest to longest wavelength?
    • A. 

      Red, Orange, Yellow, Green, Blue, Violet

    • B. 

      Violet, Blue, Green, Yellow, Orange, Red

  • 20. 
    This type of electromagnetic wave has the most penetrating power:
    • A. 

      X-rays

    • B. 

      UV Rays

    • C. 

      Radio waves

    • D. 

      Gamma Rays

    • E. 

      Infrared waves