Inverted - When an image is upside down, Erect - When an image is the same side orientation as the object, Converge - When light comes to a point at the principal focus, Diverge - When light spreads out, but appears to have come from a point, Convex - A converging lens, Concave - A diverging lens, Virtual - An image that cannot be projected onto a screen, Real - An image made from real light, Principal Focus - The point where light converges,

Lenses keyword match up

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