• A converging lens has a focal length of 14.ô cm. For each of two objects located to the left of the lens, one at a distance of 18.0 cm and the other at a distance of 7.00 cm, determine (a) the image position, (b) the magnification, (c) whether the image is real or virtual, and (d) whether the image is erect or inverted. Draw a principal-ray diagram in each case. • Repeat the previous problem for the case in which the lens is diverging, with a focal length of magnitude 10.0 cm.

• A converging lens has a focal length of 14.ô cm. For each of two objects located to the left of the lens, one at a distance of 18.0 cm and the other at a distance of 7.00 cm, determine (a) the image position, (b) the magnification, (c) whether the image is real or virtual, and (d) whether the image is erect or inverted. Draw a principal-ray diagram in each case. • Repeat the previous problem for the case in which the lens is diverging, with a focal length of magnitude 10.0 cm.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter25: Optical Instruments

Section: Chapter Questions

Problem 65AP: A cataract-impaired lens in an eye may be surgically removed and replaced by a manufactured lens....

See similar textbooks

Similar questions

Can an image be larger than the object even though its magnification is negative? Explain.
A cataract-impaired lens in an eye may be surgically removed and replaced by a manufactured lens. The focal length required for the new lens is determined by the lens-lo-retina distance, which is measured by a sonar-like device, and by the requirement that the implant provide for correct distance vision. (a) If the distance from lens to retina is 22.4 mm, calculate the power of the implanted lens in diopters. (b) Since there is no accommodation and the implant allows for correct distance vision, a corrective lens for close work or reading must be used. Assume a reading distance of 33.0 cm, and calculate the power of the lens in the reading glasses.
A clerk at the local grocery store wears glasses that make her eyes look smaller than they actually are. Is the clerk nearsighted or farsighted? Explain.
Example 23-9 : Image formed by a converging lens. What are (a) the position, and (b) the size, of the image of a 7.6-cm-high leaf placed 1.00 m from a +50.0-mm-focal-length camera lens?
A friend lends you the eyepiece of his microscope to use on your own microscope. He claims that since his eyepiece has the same diameter as yours but twice the focal length, the resolving power of your microscope will be doubled. Is his claim valid? Explain.
Where must the film be placed if a camera lens is to make asharp image of an object far away? Explain.
What is the focal length of a makeup mirror that produces a magnification of 1.50 when a person’s face is 12.0 cm away? Explicitly show how you follow the steps in the ProblemSolving Strategy for Mirrors.
The accommodation limits for Nearsighted Nicks eyes are 18.0 cm and 80.0 cm. When he wears his glasses, he is able to see faraway objects clearly. At what minimum distance is he able to see objects clearly?
A lens can be used to start a fire by focusing an image of the sun onto a piece of flammable material. All other things being equal, would a lens with a short focal length or a long focal length be better as a fire starter? Explain.
Explain why an object in water always appears to be at a depth shallower than it actually is? Why do people sometimes sustain neck and spinal injuries when diving into unfamiliar ponds or waters?
Explain why an object in water always appears to be at a depth shallower than it actually is?
During LASIK eye surgery (laser - assisted in situ keratomileusis), the shape of the cornea is modified by vaporizing some of its material. If the surgery is performed to correct for nearsightedness, how does the cornea need to be reshaped?