Where do the light rays converge if they have passed through a concave lens? From the picture above, we see that the light rays don't seem to converge at all. However, if we could somehow trace those diverging light rays back to the left of the lens, we'd see that the rays converged in front of the lens. You can barely see a glimpse of what those rays might look like in the image: those you see, though, are faint reflections from the concave surface of this lens.

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