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Author Question: In the figure, the radius of curvature of the curved part of the lens is 24.0 cm, and the refractive ... (Read 158 times)

saraeharris

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on: Jul 29, 2018
In the figure, the radius of curvature of the curved part of the lens is 24.0 cm, and the refractive index of the lens material is 1.750. What is the focal length of the lens?
 
  A) +32.0 cm
  B) -32.0 cm
  C) -16.0 cm
  D) +13.8 cm
  E) -13.8 cm

Question 2

In the figure, the radius of curvature of the curved part of the lens is 35.0 cm, and the refractive index of the lens material is 1.620. What is the focal length of the lens?
 
  A) +56.5 cm
  B) -56.5 cm
  C) +28.2 cm
  D) +21.6 cm
  E) -21.6 cm


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l.stuut

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

Answer: A

Answer to Question 2

Answer: B


saraeharris

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Reply 2 on: Jul 29, 2018
Gracias!

kjohnson

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Reply 3 on: Yesterday
Wow, this really help

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