COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 24, Problem 22QAP
To determine
What kind of mirror should be used by a dentist to see an enlarged, upright image of a patient's tooth
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Students have asked these similar questions
A student is testing the properties of a mirror with an unknown radius of curvature. The student notices that no matter how far an object is placed from the mirror, the image seen in the mirror is always upright and smaller than the object. What can the student deduce about this mirror?
a. The mirror is convex.
b. The mirror is flat.
c. The mirror is concave.
d. More information is required to deduce the shape of the mirror.
What does a negative radius mean?
A. that the focus is behind the mirror C. that the focus is in front of the mirrorB. that the center is behind the mirror D. that the center is in front of the mirror.
In a concave mirror, how will an object create a real image?A. Placing the object at the vertex of the mirror.B. Placing the object at the focal point or focus of the mirror.C. Placing the object beyond the focal point in front of the mirror.D. Placing the object between the focus and the vertex of the mirror.
. When an object is placed in front of a concave mirror with a radius of curvature of Rat a
certain distance, an upright image which is 3 times the size of the object is seen. What is
the distance between the object and the mirror?
c.
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С.
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D. R
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Chapter 24 Solutions
COLLEGE PHYSICS
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- A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. When she looks into one side of the hubcap, she sees an image of her face 30.0 cm in back of the hubcap. She then flips the hubcap over and sees another image of her face 10.0 cm in back of the hubcap. (a) How far is her face from the hubcap? (b) What is the radius of curvature of the hubcap?arrow_forwardA dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a section of a sphere. When he looks into one side of the hubcap, he tees an image of his face 30.0 cm. in back of it. He then turns the hubcap over, keeping it the same distance from his face. He now sees an image of his fate 10.0 cm in back of the hubcap. (a) How far is his face from the hubcap? (b) What is the magnitude of the radius of curvature of the hubcap?arrow_forwardAn object 10.0 cm tall is placed at the zero mark of a meter-stick. A spherical mirror located at some point on the meter-stick creates an image of the object that is upright, 4.00 cm tall, and located at the 42.0-cm mark of the meterstick. (a) Is the mirror convex or concave? (b) Where is the mirror? (c) What is the mirror s focal length?arrow_forward
- A dedicated sports car enthusiast polishes the inside outside surfaces of a hubcap that is a thin section of a sphere. When she looks into one side of the hubcap. she sees an image of her face 30.0 cm in back of the hubcap. She then flips the hubcap over and sees another image of her face 10.0 cm in back of the hubcap. (a) How far is her face from the hubcap? (b) What is the radius of curvature of the hubcap?arrow_forwardA spherical mirror is to be used to form an image 5.00 times the size of an object on a screen located 5.00 m from the object, (a) Is the mirror required concave or convex? (b) What is the required radius of curvature of the mirror? (c) Where should the mirror be positioned relative to the object?arrow_forwardA dance hall is built without pillars and with a horizontal ceiling 7.20 m above the floor. A mirror is fastened flat against one section of the ceiling. Following an earthquake, the mirror is in place and unbroken. An engineer makes a quick check of whether the ceiling is sagging by directing a vertical beam of laser light up at the mirror and observing its reflection on the floor. (a) Show that if the mirror has rotated to make an angle with the horizontal, the normal to the mirror makes an angle with the vertical. (b) Show that the reflected laser light makes an angle 2 with the vertical. (c) Assume the reflected laser light makes a spot on the floor 1.40 cm away from the point vertically below the laser. Find the angle .arrow_forward
- A virtual image is formed 20.0 cm from a concave mirror having a radius of curvature of 40.0 cm. (a) Find the position of the object. (b) What is the magnification of the mirror?arrow_forwardLulu looks at her image in a makeup mirror. lt is enlarged when she is close to the mirror. As she backs away, the image becomes larger, then impossible to identify when she is 30.0 cm from the mirror, then upside down when she is beyond 30.0 cm, and finally small, clear, and upside down when she is much farther from the mirror, (i) Is the mirror (a) convex, (b) plane, or (c) concave? (ii) Is the magnitude of its focal length (a) 0, (b) 15.0 cm, (c) 30.0 cm, (d) 60.0 cm, or (e) ?arrow_forwardA dentist uses a spherical mirror to examine a tooth. The tooth is 1.00 cm in front of the mirror, and the image is formed 10.0 cm behind the mirror. Determine (a) the mirrors radius of curvature and (b) the magnification of the image.arrow_forward
- A periscope (Fig. P23.5) is useful for viewing objects that cannot be seen directly. It can be used in submarines and when watching golf matches or parades from behind a crowd of people. Suppose the object is a distance p from the upper mirror and the renters of the two fat mirrors air separated by a distance h. (a) What is the distance of the final image from the lower mirror? (b) Is the final image real or virtual? (c) Is it upright or inverted? (d) What is its magnification? (e) Does it appear to be left-right reversed? Figure P23.5arrow_forwardConstruct ray diagrams to determine whether each of the following statement is true (T) or false (F). (a) For an object at a concave mirrors center of curvature, the image is real and inverted. (b) As an object approaches the focal point of a concave mirror, the image size shrinks to zero. (c) For an object in front of a convex mirror, the image is always virtual and upright.arrow_forward5 No matter how far you stand from a certain mirror, your image appears upright. What type of mirror is this? a. Concave put of O b. Either Convex or Plane question O c. Convex O d. There is not enough information to answer this question O e. Planearrow_forward
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