Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 17, Problem 9E
A magnifying glass with a focal length of +3 cm is placed 2 cm above a page of print.
a. At what distance from the lens is the image of the page?
b. What is the magnification of this image?
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Physics of Everyday Phenomena
Ch. 17 - Prob. 1CQCh. 17 - Prob. 2CQCh. 17 - Prob. 3CQCh. 17 - Prob. 4CQCh. 17 - If you want to view your full height in a plane...Ch. 17 - Prob. 6CQCh. 17 - Prob. 7CQCh. 17 - Prob. 8CQCh. 17 - Prob. 9CQCh. 17 - Prob. 10CQ
Ch. 17 - Prob. 11CQCh. 17 - Prob. 12CQCh. 17 - Prob. 13CQCh. 17 - Prob. 14CQCh. 17 - Prob. 15CQCh. 17 - Prob. 16CQCh. 17 - Prob. 17CQCh. 17 - Prob. 18CQCh. 17 - Prob. 19CQCh. 17 - Is there any position in which an object could be...Ch. 17 - Prob. 21CQCh. 17 - Prob. 22CQCh. 17 - Prob. 23CQCh. 17 - Prob. 24CQCh. 17 - Prob. 25CQCh. 17 - Prob. 26CQCh. 17 - Prob. 27CQCh. 17 - Prob. 28CQCh. 17 - Prob. 29CQCh. 17 - For a nearsighted person, is the lens of the...Ch. 17 - Prob. 31CQCh. 17 - Prob. 32CQCh. 17 - Prob. 33CQCh. 17 - Prob. 34CQCh. 17 - Prob. 35CQCh. 17 - Prob. 36CQCh. 17 - A man with a height of 1.7 m stands 2.5 m in front...Ch. 17 - A fish lies 54 cm below the surface of a clear...Ch. 17 - A rock appears to lie just 17 cm below the surface...Ch. 17 - An insect is embedded inside a piece of amber (n =...Ch. 17 - Prob. 5ECh. 17 - Prob. 6ECh. 17 - A positive lens forms a real image of an object...Ch. 17 - Prob. 8ECh. 17 - A magnifying glass with a focal length of +3 cm is...Ch. 17 - A concave mirror has a focal length of 22 cm. An...Ch. 17 - A concave mirror has a focal length of 18 cm. An...Ch. 17 - A convex mirror has a focal length of 15 cm. An...Ch. 17 - Prob. 13ECh. 17 - Prob. 14ECh. 17 - Prob. 15ECh. 17 - Prob. 16ECh. 17 - Prob. 17ECh. 17 - Prob. 1SPCh. 17 - Prob. 2SPCh. 17 - Prob. 3SPCh. 17 - Prob. 4SPCh. 17 - Prob. 5SP
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- A doctor examines a mole with a 15.0-cm focal length magnifying glass held 13.5 cm from the mole. (a) Where is the image? (b) What is its magnification? (c) How big is the image of a 5.00 mm diameter mole?arrow_forwardPeople who do very detailed work close up, such as jewelers, often can see objects clearly at much closer distance than the normal 25 cm. (a) What is the power of the eyes of a woman who can see an object clearly at a distance of only 8.00 cm? (b) What is the image size of a 1.00-mm object, such as lettering inside a ring, held at this distance? (c) What would the size of the image be if the object were held at the normal 25.0 cm distance?arrow_forwardThe radius of curvature of the left-hand face of a flint glass biconvex lens (n = 1.60) has a magnitude of 8.00 cm, and the radius of curvature of the right-hand face has a magnitude of 11.0 cm. The incident surface of a biconvex lens is convex regardless of which side is the incident side. What is the focal length of the lens if light is incident on the lens from the left?arrow_forward
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- Two converging lenses having focal lengths of f1 = 10.0 cm and f2 = 20.0 cm are placed a distance d = 50.0 cm apart as shown in Figure P35.48. The image due to light passing through both lenses is to be located between the lenses at the position x = 31.0 cm indicated. (a) At what value of p should the object be positioned to the left of the first lens? (b) What is the magnification of the final image? (c) Is the final image upright or inverted? (d) Is the final image real or virtual?arrow_forwardFigure P34.50 shows a top view of a square enclosure. The inner surfaces are plane mirrors. A ray of light enters a small hole in the center of one mirror. (a) At what angle must the ray enter if it exits through the hole after being reflected once by each of the other three mirrors? (b) What If? Are there other values of for which the ray can exit after multiple reflections? If so, sketch one of the rays paths. Figure P34.50arrow_forwardAn object 1.50 cm high is held 3.00 cm from a person’s cornea, and its reflected image is measured to be 0.167 cm high. (a) What is the magnification? (b) Where is the image? (c) Find the radius of curvature of the convex mirror formed by the cornea. (Note that this technique is used by optometrists to measure the curvature of the cornea for contact lens fitting. The instrument used is called a keratometer, or curve measurer.)arrow_forward
- What are the differences between real and virtual images? How can you tell (by looking) whether an image formed by a single lens or mirror is real or virtual?arrow_forwardWhat is the focal length of a pane of window glass? (a) zero (b) infinity (c) the thickness of the glass (d) impossible to determinearrow_forward
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