# Geometrical Optics

## L2-27: Infinity Mirror - Portable

Category: L2 Plane Mirrors
Purpose: Illusion with half-silvered mirror.

## L7-42: VIRTUAL IMAGE - MIRROR AND LENS

Purpose: Calculate the position of a virtual image and the verify this by using parallax.

## L7-41: REAL IMAGE - MIRROR AND LENS

Purpose: Determine the location of a real image in a complex lens-mirror system.

## L7-34: SLIDE PROJECTOR - DISSECTED

Purpose: Show how a slide projector works and to view its parts.

## L7-33: OVERHEAD PROJECTOR - DISSECTED

Purpose: Show how an overhead projector works and to view its components.

## L7-32: FIELD LENS

Purpose: Show what a field lens does.

## L7-31: PRINCIPAL PLANES

Purpose: Illustrate principal planes of a compound lens system.

## L7-25: GALILEAN TELESCOPE - TV

Purpose: Illustratre how a Galilean telescope works.

## L7-24: TERRESTRIAL TELESCOPE - TV

Purpose: Illustrate how a terrestrial telescope works.

## L7-23: ASTRONOMICAL TELESCOPE - TV

Purpose: Illustratre how an astronomical telescope works.

## L7-22: MICROSCOPE - TV

Purpose: Illustrate how a microscope works.

## L7-21: MAGNIFYING GLASS - TV

Purpose: Illustratre how a magnifying glass works.

## L7-15: MICROSCOPE

Purpose: Demonstrate how the optics of a microscope produces a magnified image.

## L7-14: OPTICAL BOARD - REFLECTING TELESCOPE

Purpose: Illustrate rays in one type of reflecting telescope.

## L7-13: OPTICAL BOARD - GALILEAN TELESCOPE

Purpose: Model the optics of a Galilean telescope.

## L7-12: OPTICAL BOARD - TELEPHOTO LENS

Purpose: Ilustrate the location of the principal planes in a telephoto lens.

## L7-11: OPTICAL BOARD - ASTRONOMICAL TELESCOPE

Purpose: Model the optics of an astronomical telescope.

## L7-05: VIDEO CAMERA WITH VARIOUS LENSES

Purpose: Demonstrate various lenses for a video camera.

## L7-04: DEPTH OF FIELD AND FIELD OF VIEW

Purpose: Demonstrate depth of field as a function of aperture setting, and to demonstrate field of view as a function of zoom setting on a TV lens.

## L7-03: SHUTTER SPEED OF A CAMERA

Purpose: Measure the shutter speed of a camera.
Page 1 of 10

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

Demonstrate continuous spectrum using water as the dispersing medium. Read More

• #### N1-06: POLYPRISM SPECTRA

Demonstrate continuous spectra with several different types of glass. Read More
• #### N1-07: VARIATION OF SPECTRUM WITH LAMP INTENSITY

Demonstrate continuous spectrum as the brightness of the source changes Read More
• #### N1-08: GOETHE'S PUZZLE

Show the view of a slide through a prism and argue about color theory. Read More
• #### N1-09: COMPLEMENTARY SPECTRUM

Display the spectrum of a "negative" slit. Read More

• #### N1-12: DIFFRACTION SPECTRA - GRATING ON OVERHEAD PROJECTOR

Very simple white light diffraction spectrum. Read More
• #### N1-13: DIFFRACTION SPECTRUM OF WHITE LIGHT - PORTABLE

Individual observation of white light spectrum. Read More
• #### N1-14: REFLECTION GRATING - LARGE

Show a spectrum from a small bright source. Read More
• #### N1-21: COLOR SEPARATION AND RECOMBINATION BY PRISMS

Show how a prism can recombine previously dispersed white light. Read More
• #### N1-22: OPTICAL BOARD - PRISMS - SEPARATE AND RECOMBINE

Separate white light into its component colors with a prism and use an identical prism to recombine the light. Read More
• #### N1-23: FINE RESOLUTION OF SPECTRUM USING TWO PRISMS

Increase the dispersion in a white light spectrum by adding a second prism. Read More
• #### N1-31: SUN DOG - MODEL

Show how a "sun dog" is formed. Read More
• #### N1-32: ICE CRYSTALS - PAPER MODELS

Illustrate how two types of ice crystals formed high in the atmosphere float downward through the air with preferred orientations. Read More
• #### N1-41: RAINDROP RAY MODEL

Illustrate formation of a rainbow. Read More
• #### N1-42: RAINDROP MECHANICAL MODEL

Illustrate rays in formation of a rainbow. Read More
• #### N1-43: RAINBOW - GLASS BEAD MODEL

Observe an almost complete circular rainbow formed by glass beads. Read More
• #### N1-44: OPTICAL BOARD - RAINBOW

Demonstrates internal reflection and dispersion of light Read More
• #### N1-45: RAINBOW - WATER FLASK

Demonstrate a large angle rainbow. Read More