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Author Question: The__________of a lens or mirror is the distance from that lens or mirror to the point where it ... (Read 109 times)

Davideckstein7

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on: Jul 27, 2018
The__________of a lens or mirror is the distance from that lens or mirror to the point where it focuses parallel rays of light.
 
  A) image distance
  B) focal length
  C) radius of curvature
  D) object distance

Question 2

A__________is a device that separates light by wavelengths to produce a spectrum.
 
  A) lens
  B) mirror
  C) spectrograph
  D) interferometer


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Anonymous

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

B

Answer to Question 2

C


Davideckstein7

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Reply #2 on: Jul 27, 2018
Thanks


Anonymous

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Reply #3 on: Jul 27, 2018
Welcome :)


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