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Halliday, Resnick, and Walker, Fundamentals of Physics 10E Question Answers Chapter 34 Answers 1 Halliday, Resnick, and Walker, Fundamentals of Physics 10e Question Answers Chapter 34 Answers 1 (a) a; (b) c 2 (a) I1 and I4; (b) I2 and I3; (c) I3; (d) I3; (e) I2 3 (a) a and c; (b) three times; (c) you 4 (a) from infinity to the focal point; (b) decrease continuously 5 convex 6 1 concave, 2 convex, 3 plane 7 (a) all but variation 2; (b) 1, 3, 4: right, inverted; 5, 6: left, same 8 1 converging, 2 diverging 9 d (infinite), tie of a and b, then c 10 (a) I2 and I3; (b) I1 and I4; (c) I1; (d) I1; (e) I4 11 (a) x; (b) no; (c) no; (d) the direction you are facing 11/18/2018 Halliday/Resnick/Walker Fundamentals of Physics Classroom Response System Questions Chapter 34 Images Reading Quiz Questions 34.2.1. What are the two types of images? 34.2.1. What are the two types of images? a) real and imaginary a) real and imaginary b) reflected and refracted b) reflected and refracted c) real and virtual c) real and virtual d) concave and convex d) concave and convex e) superior and sublime e) superior and sublime 34.2.2. What type of image does an observer see when the light rays 34.2.2. What type of image does an observer see when the light rays entering his/her eye do not actually emanate from the image? entering his/her eye do not actually emanate from the image? a) intangible a) intangible b) real b) real c) diffuse c) diffuse d) virtual d) virtual e) incongruent e) incongruent 1 11/18/2018 34.3.1. Which one of the following statements is not a characteristic of 34.3.1. Which one of the following statements is not a characteristic of a plane mirror? a plane mirror? a) The image is the same size as the object. a) The image is the same size as the object. b) The image is always upright. b) The image is always upright. c) The image is real. c) The image is real. d) The image is reversed left to right compared to the object. d) The image is reversed left to right compared to the object. e) The image is the same distance behind the mirror as the object is in e) The image is the same distance behind the mirror as the object is in front of the mirror. front of the mirror. 34.4.1. What term is used for the line that passes through the center of 34.4.1. What term is used for the line that passes through the center of curvature of a spherical mirror and the mid-point of the mirror? curvature of a spherical mirror and the mid-point of the mirror? a) capitol axis a) capitol axis b) complimentary axis b) complimentary axis c) demarcation line c) demarcation line d) reflection line d) reflection line e) central axis e) central axis 34.4.2. Which of the following expressions applies to a spherical 34.4.2. Which of the following expressions applies to a spherical mirror of radius R? mirror of radius R? 1 a) fR= 2 a) 3 b) fR= 4 b) c) f = R c) f = R 3 d) fR= 2 d) e) f = 2R e) f = 2R 2 11/18/2018 34.4.3. Complete the following sentence: The normal to the surface of 34.4.3. Complete the following sentence: The normal to the surface of a spherical mirror is a spherical mirror is a) always parallel to the central axis. a) always parallel to the central axis. b) a line drawn from the center of curvature to the surface of the b) a line drawn from the center of curvature to the surface of the mirror. mirror. c) parallel to the surface of the mirror. c) parallel to the surface of the mirror. d) undefined for a spherical mirror. d) undefined for a spherical mirror. e) always perpendicular to the central axis. e) always perpendicular to the central axis. 34.4.4. Which one of the following statements is true for a curved 34.4.4. Which one of the following statements is true for a curved mirror? mirror? a) A mirror that is more curved has a larger focal length than that for a a) A mirror that is more curved has a larger focal length than that for a less curved mirror. less curved mirror. b) A mirror that is more curved has the same focal length than that for b) A mirror that is more curved has the same focal length than that for a less curved mirror. a less curved mirror. c) A mirror that is more curved has a smaller focal length than that for c) A mirror that is more curved has a smaller focal length than that for a less curved mirror. a less curved mirror. 34.4.5. Which one of the following statements is true concerning a 34.4.5. Which one of the following statements is true concerning a mirror that has a negative focal length? mirror that has a negative focal length? a) Such a mirror is non-existent. a) Such a mirror is non-existent. b) The mirror is convex. b) The mirror is convex. c) The images produced by the mirror are all real images. c) The images produced by the mirror are all real images. d) The mirror is concave. d) The mirror is concave. e) The mirror is somewhat more curved than one with a positive focal e) The mirror is somewhat more curved than one with a positive focal length. length. 3 11/18/2018 34.5.1. An object is placed in front of a concave spherical mirror. Consider the following 34.5.1. An object is placed in front of a concave spherical mirror. Consider the following rays that leave the top of the object and approach the mirror: rays that leave the top of the object and approach the mirror: (A) a ray that passes through the center of curvature (A) a ray that passes through the center of curvature (B) a ray that passes through the middle of the mirror where the principal axis intersects (B) a ray that passes through the middle of the mirror where the principal axis intersects (C) a ray that is directed parallel to the principal axis (C) a ray that is directed parallel to the principal axis (D) a ray that passes through the focal point (D) a ray that passes through the focal point Which one of these rays, if any, is not used in locating images by drawing rays as Which one of these rays, if any, is not used in locating images by drawing rays as described in the text? described in the text? a) A a) A b) B b) B c) C c) C d) D d) D e) All four rays are used. e) All four rays are used. 34.5.2. Which of the following parameters is not needed to use the 34.5.2. Which of the following parameters is not needed to use the mirror equation to solve for an unknown parameter? mirror equation to solve for an unknown parameter? a) the image distance a) the image distance b) focal length of the mirror b) focal length of the mirror c) the shape of the mirror c) the shape of the mirror d) the height of the object d) the height of the object e) the object distance e) the object distance 34.5.3. In which of the following cases is the image virtual? 34.5.3. In which of the following cases is the image virtual? a) It is on the same side of the mirror as the object. a) It is on the same side of the mirror as the object. b) The image is virtual if you can only see it when projected onto a b) The image is virtual if you can only see it when projected onto a surface. surface. c) The lateral magnification is negative. c) The lateral magnification is negative. d) The distance from the mirror to the image is greater than the d) The distance from the mirror to the image is greater than the distance from the mirror to the object. distance from the mirror to the object. e) None of the cases above produce a virtual image. e) None of the cases above produce a virtual image. 4 11/18/2018 34.5.4. In which of the following cases is the image real? 34.5.4. In which of the following cases is the image real? a) It is on the opposite side of the mirror from the object. a) It is on the opposite side of the mirror from the object. b) The image is real if you can project it onto a surface. b) The image is real if you can project it onto a surface. c) The lateral magnification is positive. c) The lateral magnification is positive. d) The image is upright (not inverted relative to the object). d) The image is upright (not inverted relative to the object). e) None of the cases above produce a real image. e) None of the cases above produce a real image. 34.5.5. For a certain situation involving an object and a spherical 34.5.5. For a certain situation involving an object and a spherical mirror, the resulting lateral magnification is negative. Which of mirror, the resulting lateral magnification is negative.
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