Light Mirrors and Lenses (3379.0K) - McGraw-Hill Higher Education

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19. Diagram Suppose you can see a person’s eyesin a mirror. Draw a diagram to determinewhether or not that person can see you.20. Determine A singer is wearing a blue outfit.What color spotlights could be used tomake the outfit appear to be black?21. Form a hypothesis to explain why sometimesyou can see two images of yourselfreflected from a window at night.22. Explain why a rough surface, such as a road,becomes shiny in appearance and a betterreflector when it is wet.23. Infer An optical fiber is made of a materialthat forms the fiber and a different materialthat forms the outer covering. For totalinternal reflection to occur, how does thespeed of light in the fiber compare withthe speed of light in the outer covering?Use the table below to answer question 24.Magnification by a Convex LensObject Distance (cm)Magnification25 4.0030 2.0040 1.0060 0.50100 0.2524. Use a Table In the table above, the objectdistance is the distance of the object fromthe lens. The magnification is the imagesize divided by the object size. If the focallength of the lens is 20 cm, how does thesize of the image change as the object getsfarther from the focal point?25. Calculate What is the ratio of the distanceat which the magnification equals 1.00 tothe focal length of the lens?ips.msscience.com/chapter_review26. Oral Presentation Investigate the types ofmirrors used in fun houses. Explain howthese mirrors are formed, and why theyproduce distorted images. Demonstrateyour findings to your class.27. Reverse Writing Images are reversed left toright in a plane mirror. Write a note to afriend that can be read only in a planemirror.28. Design an experiment to determine the focallength of a convex lens. Write a reportdescribing your experiment, including adiagram.Use the graph below to answer questions 29 and 30.Image Distance (cm)504030201010 20 30 40 50Object Distance (cm)29. Image Position The graph shows how thedistance of an image from a convexlens is related to the distance of theobject from the lens. How does theposition of the image change as theobject gets closer to the lens?30. Magnification The magnification ofthe image equals the image distancedivided by the object distance. At whatobject distance does the magnificationequal 2?CHAPTER REVIEW 577
Record your answers on the answer sheetprovided by your teacher or on a sheet of paper.1. Which of the following describes an objectthat allows no light to pass through it?A. transparent C. opaqueB. translucent D. diffuse2. Which statement is always true about theimage formed by a concave lens?A. It is upside down and larger than theobject.B. It is upside down and smaller than theobject.C. It is upright and larger than the object.D. It is upright and smaller than the object.Use the figure below to answer questions 3 and 4.6. What does a refracting telescope use toform an image of a distant object?A. two convex lensesB. a concave mirror and a plane mirrorC. two concave lensesD. two concave mirrors7. Through which of the following does lighttravel the slowest?A. air C. waterB. diamond D. vacuum8. What is the bending of a light wave due toa change in speed?A. reflection C. refractionB. diffraction D. transmissionUse the figure below to answer questions 9 and 10.Image3. Which of the following describes theprocess occurring in the upper panel of thefigure?A. refractionB. diffuse reflectionC. regular reflectionD. total internal reflection4. The surface in the lower panel of the figurewould be like which of the following?A. a mirror C. a sheet of paperB. waxed paper D. a painted wall5. Why does a leaf look green?A. It reflects green light.B. It absorbs green light.C. It reflects all colors of light.D. It reflects all colors except green.MirrorWall9. If the girl is standing 1 m from the mirror,where will her image seem to be located?A. 2 m behind the mirrorB. 1 m behind the mirrorC. 2 m in front of the mirrorD. 1 m in front of the mirror10. Which of the following describes theimage of the girl formed by the planemirror?A. It will be upside down.B. It will be in front of the mirror.C. It will be larger than the girl.D. It will be reversed left to right.578 STANDARDIZED TEST PRACTICE
Page 2 and 3: Start-Up ActivitiesBending LightEve
Page 4: Light Travels Through Space There i
Page 7 and 8: Figure 7 The three primarycolor pig
Page 9 and 10: Figure 9 A highly magnifiedview of
Page 11 and 12: Topic: Concave MirrorsVisit ips.mss
Page 13 and 14: Figure 14 A convex mirror is a mirr
Page 15 and 16: Refraction and Lenses■ Determine
Page 17 and 18: Figure 18 A convexlens forms an ima
Page 19 and 20: CladdingPlastic fiberLight rayFigur
Page 21 and 22: Forming an Imagewith a LensProcedur
Page 23 and 24: ObjectDiaphragmLensFigure 25 A came
Page 25 and 26: Goals■ Measure the imagedistance
Page 27 and 28: SOMETIMESGREATDISCOVERIESHAPPEN BYA
Page 29: concave lens p. 565convex lens p. 5

Light Mirrors and Lenses (3379.0K) - McGraw-Hill Higher Education

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