Concept explainers
The possible value of its focal length and sketch the cross-sectional sketch of the lens.
Answer to Problem 87QAP
Explanation of Solution
Given:
Radius of curvature
Formula used:
Calculation:
Index of refraction:
Possible focal lengths assuming both radius of curvature are positive:
Possible focal length assuming both radius of curvature are negative:
Possible focal length assuming both radius of curvature is negative and other are positive:
If
If
If
Sketch:
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Chapter 24 Solutions
COLLEGE PHYSICS
- An object is placed at a distance of 10.0 cm from a convex mirror of focal length 15.0 cm. Which of the following is the image formed? • dị = +6.00 cm and M = -0 600 o d = +30 0 cm and M = -3.00 o d=600 cm and M= 0 600 o di = -300 cm and M = +3.00arrow_forward• Part A Consider a typical convex passenger-side mirror with a focal length of -80 cm. A 1.7-m-tall cyclist on a bicycle is 25 m from the mirror. You are 1.4 m from the mirror, and suppose, for simplicity, that the mirror, you, and the cyclist all lie along a line. How far are you from the image of the cyclist? Express your answer with the appropriate units. µA 团? L = Value Units Submit Request Answer Part B What is the image height? Express your answer with the appropriate units. h' = Value Units Submit Request Answerarrow_forward•• A certain telescope uses a concave spherical mirror that has a radius equal to 8.0 m. Find the location and diameter of the image of the moon formed by this mirror. The moon has a diameter of 3.5 X 10°m and is 3.8 x 10* m from Earth. 31arrow_forward
- An object is placed at a distance of 10.0 cm from a convex mirror of focal length 5.00 cm. Which of the following is the image formed? • di = +3.33 cm and M = -0.333 O di = 10.0 cm and M = -1.00 O di = -3.33 cm and M = +0.333 O dj = -10.0 cm and M= +1.00arrow_forward• A convex mirror has a radius of curvature that has a magnitude equal to 24 cm. Use ray diagrams to locate the image, if it exists, for an object near the axis at distances of (a) 55 cm, (b) 24 cm, (c) 12 cm, (d) 8.0 cm, and (e) 1.0 cm from the mirror. For each case, state whether the image is real or virtual; upright or inverted; and enlarged, reduced, or the same size as the object. 26arrow_forwardMath is not required, however you can use it to help with yoursolution. • You are only required to draw the position of the FINAL IMAGE given the system of lenses bellow. Use the following information: Focal length of biconvex lens=25 cm and focal length of the biconcave length =-10 cm Object 1.00 m 35 cm Hint: Find or estimatehow far the image from the lens is from the biconcave lens. Use thatto graph the optical rays between both lenses to get the FINAL IMAGE.arrow_forward
- A camera with a 50.0 mm focal length lens is being used to photograph a person standing 8.00 m away. • How far from the lens must the film be? Provide the solution: cmarrow_forwardA 1.5-cm-tall object is 18 cm in front of a convex mirror that has a -59 cm focal length. Part A Calculate the position of the image. Express your answer to two significant figures and include the appropriate units. > View Available Hint(s) ? s' = 14 cm Submit Previous Answers X Incorrect; Try Again; 3 attempts remaining Part B Calculate the height of the image. Express your answer to two significant figures and include the appropriate units. • View Available Hint(s) HA ? h' = Value Units Submitarrow_forward• A mirrored-glass gazing globe in a garden is 31.9 cm in diameter.What is the focal length of the globe?arrow_forward
- 34.7 • The diameter of Mars is 6794 km, and its minimum distance from the earth is 5.58 × 107 km. When Mars is at this distance, find the diameter of the image of Mars formed by a spherical, concave telescope mirror with a focal length of 1.75 m.arrow_forward• An object is a distance 2ƒ from a convex lens. (a) Use a ray diagram to find the approximate location of the image. (b) Is theimage upright or inverted? (c) Is the image real or virtual? Explain.arrow_forwardSupposed your physics instructor wears a pair of glasses with diverging lenses with focal length -60 cm. While looking at a distant tree, the image of the tree is only 58 cm from the glasses. . Find the actual location of the tree. • • Sketch a diagram showing the eye, the glasses, the image of the tree, and the tree itself. Identify whether the image of the tree is real or virtual.arrow_forward
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