COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 24, Problem 97QAP
To determine
(a)
Prove that fcombined of the two lenses for given two thin lenses f1 and f2.
To determine
(b)
Explain the relativity with prescription for a contact lens which is placed directly on the eye.
To determine
(c)
Describe eyeglass prescription that is identical to a contact lens prescription.
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It has become common to replace the cataract-clouded lens of the eye with an internal lens. This intraocular lens can be chosen so that the person has perfect distant vision. Will the person be able to read without glasses? If the person was nearsighted, is the power of the intraocular lens greater or less than the removed lens?•
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31
Chapter 24 Solutions
COLLEGE PHYSICS
Ch. 24 - Prob. 1QAPCh. 24 - Prob. 2QAPCh. 24 - Prob. 3QAPCh. 24 - Prob. 4QAPCh. 24 - Prob. 5QAPCh. 24 - Prob. 6QAPCh. 24 - Prob. 7QAPCh. 24 - Prob. 8QAPCh. 24 - Prob. 9QAPCh. 24 - Prob. 10QAP
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- Bifocal lenses are prescribed for a patient, the components having focal length of 40cm & -300cm. • What far points of the patients eye?arrow_forward•• (a) An object that is 3.00 cm high is placed 25.0 cm in front of a thin lens that has a power equal to 10.0 D. Draw a ray di- agram to find the position and the size of the image and check your results using the thin-lens equation. (b) Repeat Part (a) if the object is placed 20.0 cm in front of the lens. (c) Repeat Part (a) for an object placed 20.0 cm in front of a thin lens that has a power equal to -10.0 D. SSM 45arrow_forwardAsaparrow_forward
- • A concave mirror produces a virtual image that is three times as tallas the object. (a) If the object is 16 cm in front of the mirror, what is theimage distance? (b) What is the focal length of this mirror?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_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
- • Light is refracted as it travels from a point A in medium 1 to apoint B in medium 2. If the index of refraction is 1.33 in medium1 and 1.51 in medium 2, how much time does it take for light to gofrom A to B, assuming it travels 331 cm in medium 1 and 151 cm inmedium 2?arrow_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
- 34.40 • A diverging lens with a focal length of -48.0 cm forms a virtualimage 8.00 mm tall, 17.0 cm to the right of the lens. Determine theposition and size of the object. Is the image erect or inverted? Are theobject and image on the same side or opposite sides of the lens? Draw aprincipal-ray diagram for this situation.arrow_forward•• A concave mirror has a radius of curvature equal to 24 cm. Use ray diagrams to locate the image, if it exists, for an ob- ject near the axis at distances of (a) 55 cm, (b) 24 cm, (c) 12 cm, and (d) 8.0 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. 24arrow_forward•• You view a nearby tree in a concave mirror. The inverted imageof the tree is 4.8 cm high and is located 7.0 cm in front of the mirror.If the tree is 28 m from the mirror, what is its height?arrow_forward
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