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13 cards from this deck
By refracting light and changing its direction
Convex lens
Concave lens
Causes them to converge at the principal focus
Causes them to diverge/spread out
Point where parallel rays meet
Behind the lens (where rays appear to come from)
Light rays actually converge to form the image
Yes
Rays appear to come from different location; don't meet
No
Distance from lens to principal focus
More powerful lens has shorter focal length
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