A lens for a 35-mm camera has a focal length given by f = 45.0 mm. Part A How close to the film should the lens be placed to form a sharp image of an object that is 4.00 m away? Express your answer in millimeters. d;= 45.5 mm Submit Previous Answers ✓ Correct Part B What is the magnification of the image on the film? VO ΑΣΦ 1 ?

Part A How far from a 51.0 mm focal-length lens must an object be placed if its image is to be magnified 2.60× and be real? do = = Submit Part B do = ΑΣΦ What if the image is to be virtual and magnified 2.60×? Submit Request Answer VE ΑΣΦ Request Answer ? ? mm mm

A camera lens used for taking close-up photographs has a focal length of 21 mm. The farthest it can be placed from the film is 33.3 mm. a. What is the closest object that can be photographed?  mm b. What is the magnification of this closest object?  X

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An object is 19.5 cm from the center of a spherical silvered-glass Christmas tree ornament 6.20 cm in diameter. ▼ Part A What is the position of its image (counting from the ornament surface)? Follow the sign rules. Express your answer with the appropriate units. s' = Submit ▾ Part B m = HA Value Submit Request Answer What is the magnification of its image? VG ΑΣΦ Units Request Answer PYREX ? ?

A-6.10-D lens is held 14.5 cm from an ant 1.00 mm high. Part A What is the position of the image? on the opposite side of the lens relative to the object on the same side of the lens with the object no image is formed Previous Answers ✓ Correct Part B Find the image distance. Follow the sign conventions. Express your answer to three significant figures and include the appropriate units. di = -7.69x10-² m Previous Answers ✓ Correct P Pearson Copyright © 2022 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us | MacBook Air

A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = 39.4 cm. Precisely 36.3 cm behind this lens is a concave lens with a focal length f2 = -10.2 cm. The object to be photographed is 4.03 m in front of the objective lens. ▼ Q Search Part A How far behind the concave lens should the film be placed? Express your answer using two significant figures. 15| ΑΣΦ d = Submit Part B Request Answer What is the linear magnification of this lens combination? Express your answer using two significant figures. 15. ΑΣΦ P Pearson ? ? cm Copyright © 2022 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions Contact Us |

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Resources L Give U Suppose a certain person's visual acuity is such that he or she can see objects clearly that form an image 4.00 µm high on his retina. What is the maximum distance at which he can read the 67.0 cm high letters on the side of an airplane? The lens-to-retina distance is 2.25 cm. maximum distance: Question Credit: OpenStax College Physics contact us help