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Author Question: An object is placed 25 cm in front of a lens of focal length 20 cm. 60 cm past the first lens is a ... (Read 134 times)

imowrer

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An object is placed 25 cm in front of a lens of focal length 20 cm. 60 cm past the first lens is a second lens of focal length 25 cm. How far past the 25 cm lens does the final image form?
 a. 20 cm
  b. 40 cm
  c. 16 cm
  d. 25 cm
  e. 47 cm

Question 2

Long-period comets are believed to come from the ______________.
 Fill in the blank(s) with correct word



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quynhmickitran

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Answer to Question 1

c

Answer to Question 2

Oort cloud




imowrer

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


amynguyen1221

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Reply 3 on: Yesterday
Gracias!

 

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