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, measured along the central axis of the lens. The image is just 1/4 the size of the object. a) How far from the object must the lens be placed? NOTE: Express your answers in terms of the given variables. P = 1 b) What is the focal length of the lens? f = Lens here d Axis I

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
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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, measured along the
central axis of the lens. The image
is just 1/4 the size of the object.
(a) How far from the object must the lens be placed?
NOTE: Express your answers in terms of the given variables.
Р
(b) What is the focal length of the lens?
f =
O
Lens
here
d
Axis
1↓
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, measured along the central axis of the lens. The image is just 1/4 the size of the object. (a) How far from the object must the lens be placed? NOTE: Express your answers in terms of the given variables. Р (b) What is the focal length of the lens? f = O Lens here d Axis 1↓
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