# MERLOT Materials

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1-24 of 89 results for Materials Submitted by John Walkup

#### Optics Bench Physlet

Applet simulates an optical bench, including lenses, mirrors, and aperatures.

#### Reflection and Ray Model of Light

This site contains an extensive set of notes on basic topics in physics. There are extensive illustrations and animations... see more

#### Color Temperature

This tutorial explores the effect of raising the temperature of a blackbody radiator. The example is a black pot that can... see more

#### Convex Mirrors

A tutorial that demonstrates simple image reflection of an object with a convex mirror. The visitor can adjust the... see more

#### Mirror Reflection from Two Plane... Mirror Reflection from Two Plane Mirrors

Rays of lights are reflected from the mirror, each ray satisfying the law of reflection.

#### Polarization of Light

This tutorial allows visitors to interactively block or pass light waves by controlling the alignment of polarizers with... see more

#### Refractive Index Effects on Bi-Convex... Refractive Index Effects on Bi-Convex Lenses

This tutorial explores how changes in the refractive index of a lens material affects the focal point of the lens. It... see more

#### The Spectrum Applet

This applet demonstrates how a spectrum is related to the perceived color.

#### Airy Pattern Basics

The three-dimensional diffraction pattern formed by a circular aperture near the focal point in a well-corrected... see more

#### CAT Scans

Basic tutorial on how CAT scans work, aimed at those with little experience in physics.

#### Circles of Light: The Mathematics of... Circles of Light: The Mathematics of Rainbows

Online tutorial/lab is based on a module developed by Steven Janke and published in Modules in Undergraduate Mathematics... see more

#### Colors

Demonstrates the results of mixing red, blue, and green light and paint pigments.

#### Electromagnetic Wave

This animation shows an electromagnetic wave, namely a plane polarized wave, which propagates in positive x direction.... see more

#### How Optical Fibers Work

Fiber optics is being touted in many different ways these days. Telephone systems are moving from copper wires to optical... see more

#### Human Vision

Exploring how images are created on the retina of a human eye, this tutorial allows the student to adjust the distance of... see more

#### Interactive Lens Action Tutorials

This set of tutorials examines lens action as a function of lens shape. Examine the difference between negative and... see more

#### Inverse Square Law

Animation (.mpg) and audio (.au) of a demonstration of the inverse square law.

#### Lasers

This tutorial explores how a ruby laser crystal works when excited by a xenon flash tube. As photon energy is "pumped"... see more

#### Lenses

Demonstrates ray refraction for concave and convex lenses.

#### Mirror Image

This java applet shows how an image is formed due to light reflection.

#### Moirée (Moiree) "Holograms"

Moirée analogon of holograms using line grids for a reference wave.

#### Negative Miniscus Lenses

Negative meniscus lenses are offered as an alternative to other negative lenses and are particularly appropriate for the... see more

#### NMR: Dipolar Powder Patterns

The observed NMR spectrum of a solid powder is the summed signal from crystallites over all possible orientations... see more

#### NMR: Lorentzian Lineshapes

This tutorial shows the Fourier relationship between a damped oscillating exponential (a detected FT-NMR transition) and... see more