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A girl wishes to take a photo of an object 150 mm away, calculate how far she should adjust the camera lens from the film in order for the object to be in focus on the film?
The given equation is 1/v = 1/u+1/f
I need to know how to answer this in case it comes up in my test
The given equation is 1/v = 1/u+1/f
I need to know how to answer this in case it comes up in my test