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Author Question: A magnifying lens with a focal length of 10 cm has what maximum magnification? (Assume the near ... (Read 71 times)

khang

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on: Jul 28, 2018
A magnifying lens with a focal length of 10 cm has what maximum magnification? (Assume the near point is 25 cm). Do not use the approximation formula.
 a. 3.5
  c. 7.1
  b. 2.5
  d. 3.0

Question 2

A simple magnifier makes an image appear at the near point distance from the eye of the viewer (25 cm). What is the magnifying power of the magnifier if it is constructed of a lens of focal length of 6.3 cm? Do not use the approximation formula.
 a. 5.0
  c. 1.2
  b. 50
  d. 7.3


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gasdhashg

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

A


khang

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Reply 2 on: Jul 28, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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