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Author Question: An object is placed 15 cm from a spherical concave mirror with a focal length of magnitude 20 cm. If ... (Read 19 times)

rlane42

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on: Jul 29, 2018
An object is placed 15 cm from a spherical concave mirror with a focal length of magnitude 20 cm. If the object is 4.0 cm tall, how tall is the image?
 
  A) 1.0 cm
  B) 2.0 cm
  C) 8.0 cm
  D) 16 cm

Question 2

An object is 5.7 cm from a spherical concave mirror. If the image is 4.7 cm tall and 10 cm from the mirror, how tall is the object?
 
  A) 12 cm
  B) 11 cm
  C) 8.2 cm
  D) 2.7 cm
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akpaschal

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

D

Answer to Question 2

D


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