The document defines key optics terms including: plane, convex, and concave mirrors and lenses and how they affect light rays and images. It discusses the differences between convex and concave lenses and mirrors, and how they produce upright or inverted, magnified or minified images. The document also briefly mentions far-sightedness and near-sightedness in relation to convex and concave lenses.

1. Chapter 15 Review

2. Each narrow bean of light that travels in a straight line. Plane, Concave and Convex An upright, reflected image that is perceived by your brain even though no light passes through the image. When the light comes together to form an image.

3. 5. A flat smooth mirror. It creates a virtual image. Ex: Regular Mirror Upright and the same size as the object 7. Imaginary straight line drawn perpendicular to the surface of the mirror.

4. 8. The point on the optical axis that every light ray will pass through. 9. The distance from the center of the mirror to the focal point. 10. A mirror that is curved inward. 11. Light rays come together after they are reflected. 12. The image is upside down and smaller.

5. The image is upright and larger. 14. A mirror that curves outward. Ex: Back of a spoon 15. Light rays will spread apart after they are reflected. 16. The image is upright and smaller.

6. 17. A transparent material with at least 1 curved surface that causes light rays to bend, or refract, as they pass through. 18. Convex Lens and Concave Lens 19. The lens is thicker in the middle than at the edges. 20. at

7. 21. The image is upside down and smaller. 22. The image is upright and larger. 23. The lens is thinner in the middle than at the ends. 24. Spread out 25. The image is upright and smaller.

8. 26. When you can see distant objects clearly but can’t bring nearby objects into focus. 27. A convex lens 28. When you can see nearby objects clearly but can’t bring distant objects into focus. 29. A concave lens

9. 30. It uses 2 convex lenses to gather and focus light from distance objects. 31. It uses a concave mirror, a plane mirror and a convex lens to collect and focus light from distance objects. 32. It uses 2 convex lenses with short focal lengths to magnify small objects.