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Author Question: The focal length of the objective of a telescope is 75.0 cm. While the eyepiece has a focal length ... (Read 97 times)

ashley

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on: Jul 27, 2018
The focal length of the objective of a telescope is 75.0 cm. While the eyepiece has a focal length of 6.00 cm, what is the magnifying power of this telescope?
 
  A) 0.0800
  B) 0.645
  C) 450
  D) 12.5
  E) 200

Question 2

When an object is placed 60. cm from a converging lens, it forms a real image. When the object is moved to 40. cm from the lens, the image moves 10. cm farther from the lens. What is the focal length of the lens?
 
  A) 42. cm
  B) 50. cm
  C) 40. cm
  D) 20. cm
  E) 30. cm


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Dinolord

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

D

Answer to Question 2

D


ashley

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Reply 2 on: Jul 27, 2018
Wow, this really help

okolip

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

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