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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
18 Nov 2021

Given information

Given:

Book is placed behind a lens it is desired to magnify reading material by a factor   i.e.

Object distance,  

Image distance,  

 

Step-by-step explanation

Step 1.

Formula: 

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:  

 

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