Question 12 The focal length, F, of a camera's lens is related to the distance of the object from the lens, J, and the distance to the image area in the camera, W, by the formula below. 1 1 1 - W F When this equation is solved for J in terms of F and W, J equals F – W FW FW 1 D F A 1 B F - W W - F W

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question 12
The focal length, F, of a camera's lens is related to the distance
of the object from the lens, J, and the distance to the image area
in the camera, W, by the formula below.
1
1
+
W
1
F
When this equation is solved for J in terms of F and W, J equals
FW
FW
1
D
F
A F-W
1
B
F – W
C
W F
W
Transcribed Image Text:Question 12 The focal length, F, of a camera's lens is related to the distance of the object from the lens, J, and the distance to the image area in the camera, W, by the formula below. 1 1 + W 1 F When this equation is solved for J in terms of F and W, J equals FW FW 1 D F A F-W 1 B F – W C W F W
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