# MERLOT Materials

#### Filter by

145-168 of 498 results for Materials Submitted by John Walkup

#### Plane Groups

This program displays two-dimensional wallpaper-type patterns by using the symmetry operations of the 17 crystallographic... see more

#### Plano Concave Lenses (Object Facing... Plano Concave Lenses (Object Facing Curved Surface)

This tutorial is similar to the one above except it explores how an object is imaged when the object faces the flat... see more

#### Plano Convex Lenses (Object Facing... Plano Convex Lenses (Object Facing Curved Surface)

The plano-convex lens is a positive lens that is able to converge parallel light to form an image. This tutorial explores... see more

#### Plano Convex Lenses (Object Facing... Plano Convex Lenses (Object Facing Flat Surface)

he plano-convex lens is a positive lens that is able to converge parallel light to form an image. This tutorial explores... see more

#### PN Junction Diode under Bias

Applet and tutorial, with quiz, worksheet, references, and SPICE model.

#### PN Junction Diode, Space Charge, and... PN Junction Diode, Space Charge, and Electric Field

Applet and tutorial, with quiz, worksheet, references, and SPICE model.

#### PN Junction: Approaching Equilibrium

Applet and tutorial, with quiz, references, worksheet, and SPICE model.

#### Polyhedra

This program generates polyhedra with a symmetry of one of the crystallographic pointgroups. After the menu for the... see more

#### Polyhedra of Point Groups

Applet generates crystallographic polyhedra from point group symmetries and displays them in 3D.

#### Polymer

This simulation demonstrates "Necking" in a polymer specimen being stretched in a idealised material. A stress/strain... see more

#### Positive Meniscus Lenses

Positive meniscus lenses are designed to minimize spherical aberration and are usually used in small f-number... see more

#### Projectile Motion

This Java applet shows the motion of a projectile. Users can vary (within certain limits) the values of initial height,... see more

#### Projectile Motion

Simple interactive demonstration of projectile motion. Lecture notes and source code available.

#### Quantum Superposition in One... Quantum Superposition in One Dimension

A series of applets on basic quantum physics. Topics include stationary states, superposition of states, and NH3 and... see more

#### Quasicrystals

This page is meant to be an introduction to the field of Quasicrystals in order to educate the interested reader on some... see more

Displays the sequence from four main radioactive decay series.

#### RC Applet

Physlet plots the current, voltage, and power of a simple RC (resistor, capacitor) circuit.

#### RC Applet, Example 1

Physlet of an RC circuit with an AC source. The frequency is user-defined.

#### RC Circuit Web Assignment No. 2

A Web assignment that uses a Java applet by Michael Davidson. Tests qualitative understanding of the flow of charge in an... see more

#### RC Circuit, Example 2

Physlet demonstrates the current, voltage, and power of a simple RC circuit.

#### RC Time Constant

The resistive-capacitive (RC) time constant is the time required to charge a capacitor. This tutorial illustrates how the... see more

#### Refraction of Light

A ray of light is incidenting from the top left to the boundary surface of two media. (It is possible to choose the... see more

#### Refraction Through a Prism

Refraction through a prism. Applet has one of the more interesting interfaces. Index of refraction and angle of incidence... see more

#### Resistance at the Molecular Level

This tutorial explains how resistance to current flow occurs at the molecular level, and shows how an electric conductor... see more