# Geometrical Optics

## N1-22: OPTICAL BOARD - PRISMS - SEPARATE AND RECOMBINE

Purpose: Separate white light into its component colors with a prism and use an identical prism to recombine the light.

## N1-21: COLOR SEPARATION AND RECOMBINATION BY PRISMS

Purpose: Show how a prism can recombine previously dispersed white light.

## N1-09: COMPLEMENTARY SPECTRUM

Purpose: Display the spectrum of a "negative" slit.

## N1-08: GOETHE'S PUZZLE

Purpose: Show the view of a slide through a prism and argue about color theory.

## N1-06: POLYPRISM SPECTRA

Purpose: Demonstrate continuous spectra with several different types of glass.

## N1-03: PRISMATIC SPECTRUM OF WHITE LIGHT - WATER PRISM

Purpose: Demonstrate continuous spectrum using water as the dispersing medium.

## O1-23: ASTIGMATISM - ON AXIS

Purpose: Demonstrate on-axis astigmatism.

## N1-01: PRISMATIC SPECTRUM OF WHITE LIGHT - POINT SOURCE

Purpose: Demonstrate continuous spectrum

## O1-02: EYE OPTICS MODEL - INDIVIDUAL VIEWING

Purpose: Show inversion of the image on the retina by the eyelens.

## L4-22: MIRAGE - LASER AND HOT WIRE

Category: L4 Refraction
Purpose: Demonstrate how an optical mirage is created

## E2-21: PHASES OF THE MOON

Category: E2 Astronomy
Purpose: Show the relationship between the phases of the moon and the relative earth-sun-moon positions.

## L6-10: IMAGE LOCATION WITH TV CAMERA - LENS

Category: L6 Lenses
Purpose: Locate both real and virtual images of a convex lens

## H2-11: SOUND LENS

Purpose: Demonstrate focusing of sound by refraction in a sound lens

## L3-21: LIGHT BULB AND PARABOLIC MIRROR

Category: L3 Curved Mirrors
Purpose: Optical illusion with real image of a concave mirror

## L2-61: MIRROR TILES WITH LIGHT BULB

Category: L2 Plane Mirrors
Purpose: Show multiple reflections using two mirrors

## L2-24: PARTIALLY SILVERED CYLINDER

Category: L2 Plane Mirrors
Purpose: Demonstrate Partially Silvered Surfaces

## M5-02: LASER DIFFRACTION - MESHES

Purpose: Illustrate two-dimensional diffraction patterns

## L1-04: POINT SOURCE - FLASHLIGHT BULB

Purpose: Demonstrate optical characteristics of a "point source"

## L7-16: GALILEOSCOPE

Purpose: Demonstrate optics of a telescope

## O1-01: EYE MODEL - OPTICS

Purpose: Demonstrates optics of the eye and corrections of optical defects
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• #### O1-01: EYE MODEL - OPTICS

Demonstrate the optics of the eye and corrections of optical defects. Read More
• #### O1-02: EYE OPTICS MODEL - INDIVIDUAL VIEWING

Show inversion of the image on the retina by the eyelens. Read More
• #### O1-03: IMAGE INVERSION ON RETINA

Model image inversion on the retina. Read More
• #### O1-04: IMAGE INVERSION ON RETINA - INDIVIDUAL VIEWING

Individual demonstration of image inversion on retina. Read More
• #### O1-05: EYESCOPE

See your retina! Read More
• #### O1-11: TEST OF NEARSIGHTEDNESS VS. FARSIGHTEDNESS

Identify nearsighted and farsighted eyes using laser speckle. Read More
• #### O1-21: CHROMATIC ABERRATION IN EYE

Observe chromatic aberration in your eye. Read More
• #### O1-22: SPHERICAL ABERRATION IN EYE USING PINHOLE

Show spherical aberration in eye and its correction. Read More
• #### O1-23: ASTIGMATISM - ON AXIS

Demonstrate on-axis astigmatism. Read More
• #### O1-31: MACH BANDS

Demonstrate Mach bands. Read More
• #### O1-32: DARK AXLE

Demonstrate the dark axle illusion. Read More
• #### O1-41: FLOATERS

Individual observation of floaters in the eye. Read More
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