College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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1. Two convex lenses A and B, each of focal length 25 cm, are placed 80 cm apart on the same axis. A 12 cm high object is placed 50 cm in front of lens A. Find the position and size of the final image. 

 

2. A 14.5 cm high object is placed 50 cm in front of a concave mirror with radius of curvature equal to 30 cm. Determine the distance, height, and image formed by the mirror.

 

3. A 3.25 cm high object is placed 28 cm in front of a convex mirror. Its image was formed 14 cm behind the mirror. Find the (a) magnification of the image, (b) height of the image, (c) focal length of the mirror, and (d) radius of curvature. 

 

4. What is the resulting focal length and power if two thin lenses of focal length +25 cm and -50 cm are in contact? 

1. Two convex lenses A and B, each of focal length 25 cm, are placed 80 cm apart on the same axis. A 12 cm high object is placed 50 cm in front of lens A. Find the position and size of the final image. (10 points) 2. A 14.5 cm high object is placed 50 cm in front of a concave mirror with radius of curvature equal to 30 cm. Determine the distance, height, and image formed by the mirror.(15 points) 3. A 3.25 cm high object is placed 28 cm in front of a convex mirror. Its image was formed 14 cm behind the mirror. Find the (a) magnification of the image, (b) height of the image, (c) focal length of the mirror, and (d) radius of curvature. (15 points) 4. What is the resulting focal length and power if two thin lenses of focal length +25 cm and -50 cm are in contact? (5 points)
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Transcribed Image Text:1. Two convex lenses A and B, each of focal length 25 cm, are placed 80 cm apart on the same axis. A 12 cm high object is placed 50 cm in front of lens A. Find the position and size of the final image. (10 points) 2. A 14.5 cm high object is placed 50 cm in front of a concave mirror with radius of curvature equal to 30 cm. Determine the distance, height, and image formed by the mirror.(15 points) 3. A 3.25 cm high object is placed 28 cm in front of a convex mirror. Its image was formed 14 cm behind the mirror. Find the (a) magnification of the image, (b) height of the image, (c) focal length of the mirror, and (d) radius of curvature. (15 points) 4. What is the resulting focal length and power if two thin lenses of focal length +25 cm and -50 cm are in contact? (5 points)
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