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Posts: 3561
12 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
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Valued Member
12 years ago
C
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