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Brelou Brelou
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Posts: 876
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7 years ago
The focal length of the lens of a simple camera is 40.0 mm. How far must the lens be moved to change the focus of the camera from a person 25 m away to one that is 4.0 m away?
A) 0.2 mm
B) 0.3 mm
C) 0.4 mm
D) 0.5 mm
E) 0.7 mm
Textbook 
Physics

Physics


Edition: 4th
Author:
Read 157 times
1 Reply
Quantum physics thus reveals a basic oneness of the universe.
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Answer verified by a subject expert
Raj.SRaj.S
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Posts: 854
7 years ago
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Brelou Author
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7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Yesterday
This helped my grade so much Perfect
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2 hours ago
Good timing, thanks!
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