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14 cards from this deck
Does not change direction
As a dashed vertical line
Points either side of lens where light can converge
Virtual or real images (same or opposite side as object)
Only virtual images
Caves inward
Thinner at centre than at edges
Spreads light outwards
Correct short-sightedness
Wider at centre
Focus light inwards
Magnifying glasses and binoculars
Correct long-sightedness
magnification = image heightobject height\frac{\text{image height}}{\text{object height}}object heightimage height
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