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Author Question: What is the focal length of a magnifying glass that produces an angular magnification of 7.0 x when ... (Read 124 times)

V@ndy87

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on: Jul 29, 2018
What is the focal length of a magnifying glass that produces an angular magnification of 7.0 x when used by a person with a near point at 28 cm?
 
  A) 2.0 cm
  B) 3.0 cm
  C) 4.0 cm
  D) 5.0 cm
  E) 6.0 cm

Question 2

A magnifying lens has a focal length of 10 cm. A person has a near point of 25 cm and a far point at infinity. What is the angular magnification of the lens for that person when their eyes are focused at infinity?
 
  What will be an ideal response?


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brittrenee

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

Great help.


V@ndy87

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Reply #2 on: Jul 29, 2018
Thanks


brittrenee

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Reply #3 on: Jul 29, 2018
Welcome :)


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