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L6-35. Chromatic Aberration - Point Source And 20 Cm Lens
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L6-35. Chromatic Aberration - Point Source And 20 Cm Lens
Purpose
To show the effect of chromatic aberration in a lens.
Equipment
Bright point source with condenser lens, adjustable slit, 20cm simple lens, 20cm achromatic lens, and small screen on optical bench with extension rail.
Setup Time
5 minutes.
Images
Description
Two 20cm convex lenses are available: a simple spherical lens and an achromat. The point source is focused onto a slit, which in turn is imaged by the lens on a distant screen. The screen is rotated as shown to increase the dispersion at the image. The achromat has virtually no chromatic aberration compared with the simple lens.
References
(PIRA 6A65.20)
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See pagesl1. light sources & light rays
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See pagesl2. plane mirrors
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See pagesl3. curved mirrors
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See pagesl4. refraction
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See pagesl5. total internal reflection
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See pagesl6. lenses
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See pagesl7. optical instruments
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See pagesl1. light sources & light rays
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See pagesl2. plane mirrors
-
See pagesl3. curved mirrors
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See pagesl4. refraction
-
See pagesl5. total internal reflection
-
See pagesl6. lenses
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See pagesl7. optical instruments
Physics Lab Demos