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Author Question: A 10-cm focal length converging lens is used to magnify small newspaper print 2.0 mm high. Calculate ... (Read 228 times)

sam.t96

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on: Jul 28, 2018
A 10-cm focal length converging lens is used to magnify small newspaper print 2.0 mm high. Calculate the height of the image (in mm) for the maximum magnification for a normal eye.
 a. 3.5
  b. 7.0
  c. 9.2
  d. 12
  e. 2.5

Question 2

A far-sighted student has a near point of 1.0 m. Calculate the focal length (in cm) of the glasses needed so the near point will be normal (25 cm).
 a. 72
  b. 25
  c. 33
  d. 100
  e. -33


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cuttiesgirl16

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

B

Answer to Question 2

C


sam.t96

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  • Posts: 570
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

xiazhe

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Reply 3 on: Yesterday
Gracias!

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