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Which lens has the shorter focal length?
If this represents the eye looking at an object, where is this object?
After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?