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A 2.79-cmcm-high insect is 1.11 mm from a 135-mmmm-focal-length lens. Where is the image? Note that...

A 2.79-cmcm-high insect is 1.11 mm from a 135-mmmm-focal-length lens. Where is the image? Note that "in front of the lens" means that the image is on the same side of the lens as the object and "behind the lens" means that the image is on the opposite side of the lens than the object.   

How high is the image?

What if ff = - 135 mmmm? Where is the image?  Note that "in front of the lens" means that the image is on the same side of the lens as the object and "behind the lens" means that the image is on the opposite side of the lens than the object.   

How high is the image?

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