Elizabeth Owens/American Associationof Physics TeachersEstimate the magnification and focal length of the pitcher of water shown in the figure below. (Assume that the tree is about 40 ft tall and its inverted image is about 1 foot tall. Also assume that the tree isabout 210 ft from the pitcher. Include the sign of the value in your answers.)magnificationfocal lengthft

Answered: Image /qna-images/answer/3a996b29-44d7-4c4a-b42f-383117a38b16.jpg

Answered: Elizabeth Owens/American Association of…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter38: Refraction And Images Formed By Refraction

Section: Chapter Questions

Problem 60PQ

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The image produced by the microscope in Figure 2.38 cannot be projected. Could extra lenses or mirrors project it? Explain.
A water fountain is at the center of a circular pool as shown in Figure P1.59. A student walks around the pool and measures its circumference C. Next, he stands at the edge of the pool and uses a protractor to measure the angle of elevation of his sightline to the top of the water jet. How high is the fountain?
. If the mirror described in the previous problem is used to form an image of the same object now located 16 cm in front of the mirror, what would the new image position be? Assuming that the magnification equations developed for lenses also apply to mirrors, describe the image (size and orientation) thus formed.
A diverging lens has a focal length of 20 cm. What is the power of the lens in diopters?
Derive the following equation for a convex mirror: 1VO1VI=1VF where VO is the distance to the object O from vertex V, VI the distance to the image I from V, and VF is the distance to the focal point F from V. (Hint: use two sets of similar triangles.)
You unconsciously estimate the distance to an object from the angle it subtends in your field of view. This angle in radians is related to the linear height of the object h and to the distance d by = h/d. Assume yon are driving a car and another car, 1.50 m high, is 24.0 m behind you. (a) Suppose your car has a flat passenger-side rearview mirror, 1.55 m from your eyes. How far from your eyes is the image of the car following you? (b) What angle does the image subtend in your field of view? (c) What If? Now suppose your car has a convex rearview mirror with a radius of curvature of magnitude 2.00 m (as suggested in Fig. 35.15). How far from your eyes is the image of the car behind you? (d) What angle does the image subtend at your eyes? (e) Based on its angular size, how far away does the following car appear to be?
A 5.o diopter lens is used to magnify an insect when held 12 cm away. What is the type of image, its position and lateral magnification? Drawca ray diagram sketch.
For each assume the focal length is 10 cm and height is 5cm. Determine the distance and calculate image distance,image height and magnification
If f= -135mm, a) How high is the image, answer with appropriate units
Ifa 4.3 cm doll is standing away from a converging lens and the focal length is 8.2 m, find the image distance, magnification, and image height from 4, 8, and 10 m away. Determine if the image is real or virtual, inverted or erect, and smaller or larger. Use the formula below:
bottle is standing a distance from a convex mirror and the focal-length is 5 m, fnd the radius of curvature, image distance, magnification, and image height from a distanċe of m away, Determine if the image is real or virtual, upright or upside down, or smaller or larger. 8.
A glass sphere (n = 1.50) with a radius of 16.0 cm has a tiny air bubble 4.30 cm above its center. The sphere is viewed looking down along the extended radius containing the bubble. What is the apparent depth of the bubble below the surface of the sphere? 7.936 Apply the equation relating the object distance, image distance, and radius of curvature for a spherical refracting surface. cm Need Help? Read It Master It

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