A magnifying glass problem

  • #1

Homework Statement


A lens having a focal length 50 cm is used as
a simple magnifier.

What is the angular magnification obtained
when the image is formed at the normal near
point (25 cm)?


Homework Equations



1) m = N/d, where d is distance of object

2) m = 1 + N/f

The Attempt at a Solution



Homework Statement


A lens having a focal length 50 cm is used as
a simple magnifier.

What is the angular magnification obtained
when the image is formed at the normal near
point (25 cm)?

I don't really get what do they want as the answer.

Also, there are two equations, which one do I use?

THanks! :)
 

Answers and Replies

  • #2
sorry - I found it! :)
 

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