SOLUTION: The focal length f for a camera lens is related to the object distance o and the image distance i by the formula 1/f = 1/o + 1/i:
Fin the image distance i for an object that is
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Question 77387: The focal length f for a camera lens is related to the object distance o and the image distance i by the formula 1/f = 1/o + 1/i:
Fin the image distance i for an object that is 2,000,000 mm from a 250-mm telephoto lens.
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
1/F=1/O+1/I
1/250=1/2000000+1/I
1/250-1/2000000=1/I
(8000-1)/2000000=1/I CROSS MULTIPLY
I(8000-1)=2000000
7999I=2000000
I=2000000/7999
I=250.03125
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