Grab Bag

2. Wave Vocabulary Mirrors Light, Mirror, and Lens Lenses Grab Bag 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

3. Wave Vocabulary– 10 Points • QUESTION: • Material through which wave can travel. • ANSWER: • What is Medium?

4. Wave Vocabulary– 20 Points • QUESTION: • The single point on the optical axis of a concave mirror or convex lens where light rays cross. • ANSWER: • What is focal point?

5. Wave Vocabulary– 30 Points • QUESTION: • A transparent object that has at least one curved surface that causes light to bend • ANSWER: • What is a lens?

6. Wave Vocabulary– 40 Points • QUESTION: • This occurs when a wave strikes an object or surface and bounces off. • ANSWER: • What is reflection?

7. Wave Vocabulary– 50 Points • QUESTION: • This type of lens is used to correct the vision of people who may suffer from farsightedness. • ANSWER: • What is double convex lens?

8. Mirrors– 10 Points • QUESTION: • What are the 2 types of curved mirrors? • ANSWER: • Convex and Concave

9. Mirrors– 20 Points • QUESTION: • Distance along the optical axis from the center of a concave mirror to the focal point. • ANSWER: • What is focal length?

10. Mirrors– 30 Points • QUESTION: • Lens that is thicker at the EDGES than in the middle and causes light rays to DIVERGE? • ANSWER: • What is concave lens?

11. Mirrors– 40 Points • QUESTION: • This type of image cannot be projected on a screen. • ANSWER: • What is a virtual image?

12. Mirrors– 50 Points • QUESTION: • This type of mirror can be found in a convenient store. • ANSWER: • What is a convex mirror?

13. Light, Mirror and Lens– 10 Points • QUESTION: • Bending of a wave as it passes from one medium to another, causing a change in speed • ANSWER: • What is refraction?

14. Light, Mirror, and Lens– 20 Points • QUESTION: • This type of lens is used to correct the vision of people who may suffer from nearsightedness? • ANSWER: • What is double concave lens?

15. Light, Mirror, and Lens– 30 Points • QUESTION: • Converging lens that is thicker in the middle than its edges. • ANSWER: • What is double convex lens?

16. Light, Mirror, and Lens– 40 Points • QUESTION: • Image formed by this type of lens can only be virtual. • ANSWER: • What is concave lens?.

17. Light, Mirror, and Lens– 50 Points • QUESTION: • These are the characteristics of image of an object placed at a distance twice the focal length. • ANSWER: • What are real, inverted, and same size?

18. Lenses– 10 Points • QUESTION: • What is a piece of glass or other transparent material, used to converge or diverge transmitted light and form optical images? • ANSWER: • Lens

19. Lenses– 20 Points • QUESTION: This diagram shows what? • ANSWER: • Concave Lens

20. Lenses– 30 Points • QUESTION: This Diagrams shows what? • ANSWER: • Convex Lens

21. Lenses– 40 Points • QUESTION: • This phenomenon is used in sun glasses in order to protect your eyes against UV rays. • ANSWER: • Polarization

22. Lenses– 50 Points • QUESTION: • This equation is used to compare the size of object to the size of its image. • ANSWER: • What is Magnification Equation?

23. Grab Bag – 10 Points • QUESTION: • This diagram shows what? • ANSWER: • Longitudinal Wave

24. Grab Bag – 20 Points • QUESTION: • This diagram shows what? • ANSWER: • Transverse wave

25. Grab Bag – 30 Points • QUESTION: • What is a wave in which the vibration of the medium is parallel to the direction the wave travels? • ANSWER: • Longitudinal wave

26. Grab Bag – 40 Points • QUESTION: • Object placed inside the focal length of this type of mirror has virtual and inverted image. • ANSWER: • What is concave mirror?

27. Grab Bag – 50 Points • QUESTION: • Object placed outside of the focal length of this type of lens has real inverted image? • ANSWER: • What is convex lens?

28. Final Jeopardy An object is placed 20 cm away from a double convex lens whose focal length is 5 cm. Determine the distance of the image and the magnification factor?

29. Answer: di=6.7 cm, m=0.33