Concept explainers
(a) To Determine:
Ray diagram and describe the type of image formed.
Answer to Problem 52P
Solution:
Explanation of Solution
Given:
Book is placed behind a lens it is desired to magnify reading material by a factor i.e., Object distance, . Image distance,
Formula used:
Lens equation,
and are lens to object and lens to image distances respectively, negative when opposite to optical path and positive when in the direction of optical path.
Magnification:
Calculation:
Image location can be calculated using lens formula.
Here value of and are given, i.e., and . Thus substituting them in formula we get-
[where in mm]
Virtual and magnified image is formed.
(b) To Determine:
Type of the lens needed.
Answer to Problem 52P
Solution:
Converging lens needed.
Explanation of Solution
Given:
Book is places behind a lens it is desired to magnify reading material by a factor i.e., Object distance, . Image distance,
Formula used:
Lens equation,
and are lens to object and lens to image distances respectively, negative when opposite to optical path and positive when in the direction of optical path.
Magnification:
Calculation:
Converging is used.
Chapter 23 Solutions
Physics: Principles with Applications
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