Terms & Definitions - Module 28
Match the following definitions (or descriptions) to the terms listed below them.
Answers are bolded below.
  1. A ray of light travelling from air into water is bent as it passes into the water.
    1. Reflection
    2. Refraction =====
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration

  2. Light rays return from a surface.
    1. Reflection =====
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration

  3. The smallest angle of incidence inside a transparent material at which a ray of light is completely reflected.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle ======
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration

  4. A lens causes distortions in an image.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration =======

  5. An image formed by rays of light that do not converge at the position of the image. Such an image can not be displayed on a screen.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image ==========
    11. Real Image
    12. Aberration

  6. When light travels from one place to another, it takes a path that requires the smallest amount of time.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time ======
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration

  7. Light travelling insde a denser medium hits the boundary with a less dense medium, and is totally reflected if it is incident at an angle greater a certain critical angle.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection ======
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration

  8. A lens that is thin in the middle, and thick at its edges, and causes parallel rays of light to move away from each other.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens ======
    10. Virtual Image
    11. Real Image
    12. Aberration

  9. The angle with which light is reflected is equal to the angle with which it is incident on a reflecting surface.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection =======
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration

  10. An image formed by rays of light that converge at the position of the image. Such an image can be displayed on a screen.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image =====
    12. Aberration

  11. A lens that is thick in the middle and thin at the edges, and causes parallel rays of light to focus to a spot.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens =======
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration

  12. A rough surface causes reflection in many different directions.
    1. Reflection
    2. Refraction
    3. Fermat's principle of least time
    4. The law of reflection
    5. Diffuse Reflection =====
    6. Critical Angle
    7. Total Internal Reflection
    8. Converging lens
    9. Diverging lens
    10. Virtual Image
    11. Real Image
    12. Aberration

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