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In the figure, a real inverted image l of an object O is formed by a certain lens (not shown); the object-image separation is d= 30.2 cm, measured along the central axis of the lens. The image is just 1/4 the size of the object (a) What kind of lens must be used to produce this image? (b) How far from the object must the lens be placed? (c) What is the focal length of the lens? Les here Axis (a) converging diverging (b) Number Units (c) Number Units

In the figure, a real inverted image l of an object O is formed by a certain lens (not shown); the object-image separation is d= 30.2 cm, measured along the central axis of the lens. The image is just 1/4 the size of the object (a) What kind of lens must be used to produce this image? (b) How far from the object must the lens be placed? (c) What is the focal length of the lens? Les here Axis (a) converging diverging (b) Number Units (c) Number Units

University Physics Volume 3
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter2: Geometric Optics And Image Formation
Section: Chapter Questions
Problem 149AP: Two stars that are 109km apart are viewed by a telescope and found to be separated by an angle of...
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In the figure, a real inverted image I of an object O is formed by a certain lens (not shown); the object-image separation is d= 30.2 cm, measured along the central axis of the lens. The image is just 1/4 the size of the object. (a) What kind of lens must be used to produce this image? (b) How far from the object must the lens be placed? (c) What is the focal length of the lens? Lens here Axis (a) converging diverging (b) Number Units (c) Number Units
Transcribed Image Text:In the figure, a real inverted image I of an object O is formed by a certain lens (not shown); the object-image separation is d= 30.2 cm, measured along the central axis of the lens. The image is just 1/4 the size of the object. (a) What kind of lens must be used to produce this image? (b) How far from the object must the lens be placed? (c) What is the focal length of the lens? Lens here Axis (a) converging diverging (b) Number Units (c) Number Units
Current Attempt in Progress In the figure, a real inverted image / of an object O is formed by a certain lens (not shown); the object-image separation is d 30.2 cm, measured along the central axis of the lens. The image is just 1/4 the size of the object. (a) What kind of lens must be used to produce this image? (b) How far from the object must the lens be placed? (c) What is the focal length of the lens? Leus here Axis (a) (b) Number Units This answer has no units * (degrees) cm (c) Number Units kg m/s m/s 2 Hint Save for Later Attempts: 0 of 3 used Submit Answer N/m kg m/s or N·s N/m 2 or Pa kg/m*3 m/s*3 times measured along the central axis of the lens. The image is just 1/4 the size of the object. (a) What kind of lens must be used to produce this image? (b) How far from the object must the lens be placed? (c) What is the focal length of the lens? Lem here Axi (a) (b) Number Units (c) Number Units This answer has no units * (degrees) cm Hint kg m/s Save for Later m/s 2 Attempts: 0 of 3 used Submit Answer N/m kg m/s or N s N/m 2 or Pa kg/m3 mys3 times
Transcribed Image Text:Current Attempt in Progress In the figure, a real inverted image / of an object O is formed by a certain lens (not shown); the object-image separation is d 30.2 cm, measured along the central axis of the lens. The image is just 1/4 the size of the object. (a) What kind of lens must be used to produce this image? (b) How far from the object must the lens be placed? (c) What is the focal length of the lens? Leus here Axis (a) (b) Number Units This answer has no units * (degrees) cm (c) Number Units kg m/s m/s 2 Hint Save for Later Attempts: 0 of 3 used Submit Answer N/m kg m/s or N·s N/m 2 or Pa kg/m*3 m/s*3 times measured along the central axis of the lens. The image is just 1/4 the size of the object. (a) What kind of lens must be used to produce this image? (b) How far from the object must the lens be placed? (c) What is the focal length of the lens? Lem here Axi (a) (b) Number Units (c) Number Units This answer has no units * (degrees) cm Hint kg m/s Save for Later m/s 2 Attempts: 0 of 3 used Submit Answer N/m kg m/s or N s N/m 2 or Pa kg/m3 mys3 times
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