Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 24.5, Problem 2cTH
Repeat parts a andb for the case in which lens 2 is replaced with a different lens (lens 3), as shown below.
Is the image produced by the pair of lenses real or virtual? Explain your reasoning.
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A concave lens refracts parallel rays in such a way that they are bent away from the axis of the lens. For this reason, a concave lens is referred to as a diverging lens.
Part A: Consider the following diagrams, where F represents the focal point of a concave lens. In these diagrams, the image formed by the lens is obtained using the ray tracing technique. Which diagrams are accurate?(Figure 1)
*Type A if you think that only diagram A is correct, type AB if you think that only diagrams A and B are correct, and so on.
Part B: If the focal length of the concave lens is -7.50 cm , at what distance d_o from the lens should an object be placed so that its image is formed 3.70 cm from the lens?
Case 1: Object distance d0= infinity. The figure below shows light rays coming from an object located at infinity, in front of a convex lens. Extend the 9 incident rays to the lens, and draw the transmitted rays in the correct direction. Use the figure, DO NOT substitute it with any other figure. Use the line to trace the 9 rays. Don't forget to place the arrow on each transmitted beam. Label each ray with its corresponding name: parallel ray, central ray, and focal ray.
Image characteristics for Case 1: Object distance d0= infinity. Select those that apply:
a) Reduced
b) Real
c) Erect
d) Inverted
e) Equal size
f) Increased
g) Virtual
h) No image is formed
Part A
The diagram below shows the situation described in the problem. The focal length of the lens is labeled f; the scale on the
optical axis is in centimeters.Draw the three special rays Ray1, Ray2, and Ray3 as described in the Tactics Box above, and
label each ray accordingly. Draw the rays from the tip of the object to the lens. Do not draw the refracted rays.
Draw the vectors starting from the tip of the object. The location and orientation of the vectors will be graded. The
length of the vectors will not be graded.
+,
Vectors:
Ray3 Ray through center of lens
Ray2 Ray toward far focal point
Rayl Ray parallel to axis
Unlabeled vector
Object
1
Chapter 24 Solutions
Tutorials in Introductory Physics
Ch. 24.1 - On the diagram, sketch what you would see on the...Ch. 24.1 - The small bulb is replaced by three longfilament...Ch. 24.1 - The three longfilament bulbs are replaced by a...Ch. 24.1 - Predict the size and shape of the shadow that will...Ch. 24.1 - Is it possible to place the bulb in another...Ch. 24.1 - Prob. 2cTHCh. 24.1 - Prob. 2dTHCh. 24.1 - Prob. 3aTHCh. 24.1 - A student is looking at the building shown at...Ch. 24.1 - Prob. 4aTH
Ch. 24.1 - Suppose that this student were walking through the...Ch. 24.2 - The top view diagrams at right were drawn by a...Ch. 24.2 - Draw a ray diagram to determine the location of...Ch. 24.2 - Describe how you could use a ray diagram to...Ch. 24.2 - A pencil is placed in front of a plane mirror as...Ch. 24.2 - Prob. 3bTHCh. 24.3 - Prob. 1aTHCh. 24.3 - A pin is placed in front of a semicylindrical...Ch. 24.3 - Prob. 1cTHCh. 24.3 - Prob. 2aTHCh. 24.3 - A very small, very bright bulb is placed for from...Ch. 24.4 - The following are top view diagrams of solid...Ch. 24.4 - The following are top view diagrams of solid...Ch. 24.4 - The following are top view diagrams of solid...Ch. 24.4 - The following are top view diagrams of solid...Ch. 24.4 - Prob. 2THCh. 24.4 - Prob. 3aTHCh. 24.4 - Prob. 3bTHCh. 24.4 - Is the image(s) of the nail real or virtual?...Ch. 24.5 - Suppose that the bulb is placed as shown. Using...Ch. 24.5 - Prob. 1bTHCh. 24.5 - Prob. 1cTHCh. 24.5 - Prob. 1dTHCh. 24.5 - Prob. 2aTHCh. 24.5 - Treat the image produced by lens 1 as an object...Ch. 24.5 - Repeat parts a andb for the case in which lens 2...Ch. 24.6 - Reproduced below is a side view diagram of the...Ch. 24.6 - In section III of the tutorial Magnification, you...Ch. 24.6 - Two thin convex lenses and an object are arranged...Ch. 24.6 - Prob. 3bTHCh. 24.6 - Two thin convex lenses and an object are arranged...Ch. 24.6 - Prob. 3dTHCh. 24.6 - Two thin convex lenses and an object are arranged...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- In the figure at right the light is crossing a vertical interface with the normal Medium n1 marked as a dashed line. The light is coming from the left and crossing to the right.. Medium n2 normal Which is larger? The index of refraction is larger The speed of light is faster in Choose the equation or equations that you will need to use to calculate n2 given the angles of incidence and refraction and then to find the speed of light in medium n2. Select one or more: a. Force on an object mass m moving in a circle of radius R: F = mv2/R b. B-field of a long straight wire: B = Hol/2nR c. Snell's law: n;sin0, = n2sin02 d. Doppler shift: f' = f(1 ± u/c) e. C = = fA f. Magnetic Force on a moving charge: F = qvBsin0 g. Force on a current carrying wire: F = BILsine h. Mirror or Thin Lens Equation: 1/d, + 1/d; =1/f, h/h¡ = -d/d;arrow_forwardAn object, pointing upwards, is placed outside the focal point F2 of a thin diverging lens. A student is using the diagram shown above and the graphical method to predict the image of the arrow. To draw a principal ray, which direction should the student follow? O Draw a ray from point Q through F, to the lens, then bend it so it is horizontal. O Draw a horizontal ray from point Q to the lens, then bend it so it appears to diverge from F2. O Draw a ray from point P to any position on the lens, then bend it so it is horizontal. Draw a ray from point Q to the center of the lens, then bend it so it is horizontal.arrow_forwardPlease answer in BOldarrow_forward
- You are imaging a pencil through a thin, converging lens as shown in the image below. If p (the distance from the object to the center of the thin lens) is 8.15m and the focal length of the thin lens is 0.42m, how far away (in meters) from the center of the thin lens is the real image located (the real image will be on the right-side of the lens in this particular example illustrated below)? Ray 1 Ray 1 focal point Ray 2 Sis Secondary Ray 3 Ray 3 Object Converging lens focal point Principal Real image Note: Do not explicitly include units in your answer (it is understood the unit is meter). Enter only a number. If you do enter a unit, your answer will be counted wrong.arrow_forwardPart a-e. Show all work. Include sketch/labelarrow_forwardDL-1 pleasearrow_forward
- Suppose you know the six cardinal points of an optical system (two focal points F1 and F2, two principal points H1 and H₂ and two nodal points N₁ and N₂), complete the three special rays to locate the image position formed by this system. Label the focal lengths, object distance and image distance. [Hint: A ray parallel to optical axis, turns to the focal point F2 after passing through the principle plane H₂. A ray through Fi will turn to parallel after H₁. A ray moving towards to N₁ will emerge at N₂ with the same angle. In a thick lens, N overlaps with H point if the refractive index is the same on both sides of the lens.] F₁ H1 N₁ H₂ N₂ F₂arrow_forwardPlease explain only part C. Please draw the diagram on graph paper.arrow_forwardAn object and screen are located as shown below, and a converging lens is placed between them. The lens produces a sharp image of the object on the screen. On the diagram, draw two principal rays from the top of the object (i.e. tip of the pencil) to the screen that will allow you to locate both focal points of the lens, and label these points on the diagram. Explain the reasoning used to determine the answer. On the diagram of the previous question, it is known that the distance between the lens and the object is twice the distance between the lens and the screen. It is also found that by moving the object closer to the lens by 12 cm, the lens produces a lateral magnification of –1 (of course the screen is also moved in the process). Compute the focal length of the lens in cm. Please show workarrow_forward
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