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Author Question: What kind of lens is it that has a power of +10 Diopters and a first surface center of curvature in ... (Read 84 times)

Metfan725

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on: Jul 27, 2018
What kind of lens is it that has a power of +10 Diopters and a first surface center of curvature in front of the lens?
 
  A) double convex
  B) double concave
  C) converging meniscus
  D) plano concave
  E) plano convex

Question 2

A person gazes at a very distant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will see
 
  A) a series of bright spots.
  B) the same thing as without the fingers, but dimmer.
  C) a hazy band of light varying from red at one side to blue or violet at the other.
  D) a sequence of closely spaced bright lines.


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isabelt_18

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


Metfan725

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Reply #2 on: Jul 27, 2018
TY


isabelt_18

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Reply #3 on: Jul 27, 2018
You're welcome


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