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Northa Northa
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Posts: 1284
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7 years ago
The focal length of the lens of a simple camera is 40 mm. In what direction must the lens be moved to change the focus of the camera from a person 25 m away to a person 4.0 m away?
A) does not make any difference
B) sideways from the film
C) away from the film
D) towards the film
Textbook 
Physics

Physics


Edition: 4th
Author:
Read 111 times
1 Reply
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Answer verified by a subject expert
mtown88mtown88
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Posts: 876
7 years ago
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Northa Author
wrote...

7 years ago
this is exactly what I needed
wrote...

Yesterday
Thanks for your help!!
wrote...

2 hours ago
Good timing, thanks!
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