Lenses and Images

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  • Created by: Ellie
  • Created on: 23-04-14 16:03
form images by refracting light and changing it's direction
Lenses
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two types of lens
Diverging Converging
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Converging lens
Convex
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Convex bulges outwards and causes parallel rays of light to...
converge
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Diverging lens
Concave
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Concave lens' cave inwards and causes parallel rays of light to...
diverge
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What does diverge mean?
Spread out
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What does converge mean?
move together
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The middle of the lens
axis
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The distance from the centre of the lens to the principle focus
focal length
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Where the light from an object comes together to form an image on screen
Real image
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When rays diverge so light appears to come from a different place.
Virtual Image
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Example of a virtual image (you look in it)
Mirror
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Magnifying glasses use ..... images
virtual
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Other cards in this set

Card 2

Front

two types of lens

Back

Diverging Converging

Card 3

Front

Converging lens

Back

Preview of the front of card 3

Card 4

Front

Convex bulges outwards and causes parallel rays of light to...

Back

Preview of the front of card 4

Card 5

Front

Diverging lens

Back

Preview of the front of card 5
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