Lenses

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Converging Lens
A lens that makes light rays parallel to the principal axis converge to a point; also referred to as a CONVEX lens
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Principal Focus
The point where light ray parallel to the principal axis of a lens are focused
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Focal Length
The distance from the centre of the lens to the point where light rays parallel to the principal axis are focused
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Real Image
An image formed where light rays meet
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Virtual Image
An image, seen in a lens or a mirror, form which light rays
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Other cards in this set

Card 2

Front

The point where light ray parallel to the principal axis of a lens are focused

Back

Principal Focus

Card 3

Front

The distance from the centre of the lens to the point where light rays parallel to the principal axis are focused

Back

Preview of the back of card 3

Card 4

Front

An image formed where light rays meet

Back

Preview of the back of card 4

Card 5

Front

An image, seen in a lens or a mirror, form which light rays

Back

Preview of the back of card 5

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