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Author Question: A convex mirror with focal length of -20 cm forms an image 15 cm behind the surface. Where is the ... (Read 64 times)

Jkov05

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A convex mirror with focal length of -20 cm forms an image 15 cm behind the surface. Where is the object located as measured from the surface?
 a. 30 cm
  c. 15 cm
  b. 7.5 cm
  d. 60 cm

Question 2

Which type of heating causes sunburn?
 a. conduction
  c. radiation
  b. convection
  d. all of the above



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Edwyer

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Answer to Question 1

D

Answer to Question 2

C




Jkov05

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


xiazhe

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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