<p> SNC 2P – Optics Test Review</p><p>Name: Test Date: </p><p>Lesson # 1</p><p>1. Where does the Earth get most of its light? </p><p>2. What are the four properties of light?</p><p>I. </p><p>II. </p><p>III. </p><p>IV. </p><p>3. Using the line below, write in the types of energy found on the electromagnetic spectrum, in order of lowest energy to highest energy.</p><p>4. Give a use for each of the following types of light:</p><p>Energy Use Microwaves</p><p>Radio waves</p><p>Infrared light</p><p>Visible light</p><p>UV light</p><p>X-rays</p><p>Gamma rays</p><p>5. What are the three primary colours of light? </p><p>I. II. III. </p><p>6. What are the three secondary colours of light?</p><p>I. II. III. </p><p>7. What is the difference between a luminous and non-luminous light source?</p><p>Luminous: </p><p>Non-Luminous: Lesson # 2</p><p>8. Describe the following sources of light work.</p><p>Source of Light How it Works Example of Where its Used</p><p>Incandescence</p><p>Electric Discharge</p><p>Phosphorescence</p><p>Fluorescence</p><p>Chemiluminescence</p><p>Bioluminescence</p><p>Triboluminescence</p><p>LEDs</p><p>9. What are two differences between laser light and regular white light?</p><p>I. </p><p>II. </p><p>10. Compare Incandescence and Fluorescence in the table below:</p><p>Incandescence Fluorescence Energy Efficient (yes or no)</p><p>Length of Use (shorter vs. longer)</p><p>Cost (cheap vs. expensive)</p><p>Disposal Methods (garbage or special disposal)</p><p>11. What are two reasons why animals use bioluminescence? </p><p>I. II. Lesson # 3</p><p>12. When light hits a substance, three things can happen, which are that light can:</p><p>I. II. III. </p><p>13. Use a diagram to show the difference between an umbra and a penumbra.</p><p>14. Use a diagram to show the difference between regular and diffuse reflection.</p><p>Lesson # 4</p><p>15. Using the plane mirror diagram below, draw in the normal, determine the angle of incidence, and draw the reflected ray.</p><p>16. Emergency vehicles make use of lateral inversion when painting words and pictures on the hoods. Why do you think this is so?</p><p>17. How is reflection used in stealth technology?</p><p>Lesson # 5</p><p>18. Another name for a concave mirror is a mirror, and another name for a convex mirror is a mirror.</p><p>19. List two uses of concave mirrors.</p><p>I. II. </p><p>20. List two uses of convex mirrors.</p><p>I. II. 21. Draw a ray diagram and image for the objects in the following concave mirrors, and describe then in terms of SALT. S: a) A:</p><p>● ● ● L: C F V T:</p><p> b) S:</p><p>A: ● ● ● C F V L:</p><p>T:</p><p> c) S:</p><p>A: ● ● ● C F V L:</p><p>T:</p><p>22. Draw a ray diagram and image for the objects in the following convex mirrors, and describe them in terms of SALT. S:</p><p>A:</p><p>● ● ● L: V F C T:</p><p>23. An object is placed 8 cm away from a concave mirror. The image produced is 24 cm away. What is the magnification of the mirror? Show all your work.</p><p>24. An image formed in a convex mirror is 3 mm tall. The object itself is 10 mm tall. What is the magnification of the mirror? Show all your work. 25. A mirror’s magnification is 5. If an object is 20 m tall, how tall is the image it forms? Show all your work.</p><p>26. An image formed by an object is seen 28 cm away from a concave mirror with a magnification of 4. How far is the object away from the mirror? Show all your work.</p><p>Lesson # 6</p><p>27. What is refraction and why does it happen?</p><p>28. When light travels from a slower to a faster medium, it bends from the normal, and from faster to slower, it bends the normal.</p><p>29. Explain how a two-way mirror works.</p><p>30. Summarize how each of the following optical phenomenon work, using optical vocabulary.</p><p>Concept How it Works</p><p>Total Internal Reflection</p><p>Apparent Depth</p><p>The Mirage The Rainbow</p><p>Lesson # 7</p><p>31. What is the difference between a curved mirror and a curve lens?</p><p>32. Fill the following table about optical devices, including how far the object must be from the lens, and how it works.</p><p>Optical Device Type of Lens Distance from Focus SALT of Image Produced</p><p>Camera</p><p>Movie Projector</p><p>Magnifying Glass</p><p>Telescope</p><p>33. Your eye contains a lens.</p><p>34. Describe the function of each of the following parts of the eye:</p><p>I. cornea </p><p>II. pupil </p><p>III. iris </p><p>IV. lens </p><p>V. retina VI. optic nerve </p><p>35. Fill in the following table on vision problems:</p><p>Problem Scientific Name Where Light Falls Corrective Lens Needed</p><p>Far-sightedness</p><p>Near-sightedness</p><p>36. What is the purpose of laser eye surgery?</p><p>37. What is the difference between rod and cone cells?</p><p>Rod Cells: </p><p>Cone Cells: </p>