Sener explained that the ancient death ray was made up of a series of large concave mirrors, positioned to focus the Sun’s rays onto a single focal point and potentially hitting a target up to ...
In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.
In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.
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