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February 28, 2015

Homework Help: PHYSICS PLEASE HELP ASAP

Posted by Laila on Wednesday, March 27, 2013 at 4:07pm.

When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens.

Find the focal length of this lens?


Please someone help me out I tried so many times i keep getting wrong answer.

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