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18 Cards in this Set
- Front
- Back
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Focal Length + or -?
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+ converging lens or mirror
- diverging lens or mirror |
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Object Distance + or -?
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+ if left of lens
- if right of lens |
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Image Distance + or -?
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+ real
- virtual |
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Plane Mirror Image?
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always U V and same size at distance I = -O
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Diverging Lenses/Mirrors
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everything is smaller, upright, virtual and within the focal length. UVS WNF
DiVex Mirror DAve Lens |
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Magnification
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h'/h or s'/s (relative to height or distance)
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Converging Mirrors/Lenses
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As you move the object further away, the image gets closer to the focal point and smaller.
As you move it closer, the opposite happens. |
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For Lenses remember:
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Real and Virtual sides are flipped & convex and concave are reversed
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Formation of Real Image using a Converging Lens
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only occurs if object is outside of the focal length
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Converging Scenario:
If object beyond R... |
image forms between R and f.
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Converging Scenario: If object at R...
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image will form at R.
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Converging Scenario:
If object between R and f... |
image will form beyond R.
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Converging Scenario: If object at f...
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no image.
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Converging Scenario: If object within f...
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image is larger, upright, virtual.
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Ultimate Formula
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i = (o x f) / (o - f)
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TBR Ex 10.9a An object is moved from w/n the focal length of a converging lens to a distance beyond the focal length. Image of the object is observed to change from:
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UV to IR.
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For a single lens or mirror, upright images are always ___ and inverted images are always ___.
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Virtual & Real
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3 Common Lens Aberrations
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Spherical, Astigmatic, Chromatic
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