Website Detail Page

Item Picture
written by Fu-Kwun Hwang
This page contains a short explanation and Java simulation of the physics behind rainbows. It covers the reflection and refraction effects of light inside a water droplet as well as polarization.  A discussion forum regarding this material is also provided. The page even includes an applet to explain why we just see an arc and some nice rainbow images.

This is part of the Virtual Physics Laboratory at the National Taiwan Normal University. The applet and HTML files are available for download to registered users.
Subjects Levels Resource Types
- Color
- Diffraction
- General
- Geometrical Optics
= Rainbow
= Reflection - Curved Surfaces
= Refractive Index
- Polarization
= Polarization by Reflection
- Lower Undergraduate
- High School
- Instructional Material
= Interactive Simulation
= Lecture/Presentation
= Tutorial
- Audio/Visual
= Movie/Animation
Intended Users Formats Ratings
- Learners
- Professional/Practitioners
- Educators
- application/java
- text/html
  • Currently 5.0/5

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Access Rights:
Free access
© 2004 Fu-Kwun Hwang
Law of Refraction, Rainbows, Sunlight, polarization, rainbow, water
Record Creator:
Metadata instance created April 1, 2004 by Matthew Meizlish
Record Updated:
January 23, 2011 by Lyle Barbato
Last Update
when Cataloged:
January 28, 2004
Other Collections:

I like it

Author: Robert Green
Posted: August 17, 2009 at 11:54PM
Source: The Nucleus collection


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Record Link
AIP Format
F. Hwang, (2004), WWW Document, (
F. Hwang, NTNU Java: Physics of Rainbow (2004), <>.
APA Format
Hwang, F. (2004, January 28). NTNU Java: Physics of Rainbow. Retrieved June 16, 2024, from
Chicago Format
Hwang, Fu-Kwun. NTNU Java: Physics of Rainbow. January 28, 2004. (accessed 16 June 2024).
MLA Format
Hwang, Fu-Kwun. NTNU Java: Physics of Rainbow. 2004. 28 Jan. 2004. 16 June 2024 <>.
BibTeX Export Format
@misc{ Author = "Fu-Kwun Hwang", Title = {NTNU Java: Physics of Rainbow}, Volume = {2024}, Number = {16 June 2024}, Month = {January 28, 2004}, Year = {2004} }
Refer Export Format

%A Fu-Kwun Hwang %T NTNU Java: Physics of Rainbow %D January 28, 2004 %U %O application/java

EndNote Export Format

%0 Electronic Source %A Hwang, Fu-Kwun %D January 28, 2004 %T NTNU Java: Physics of Rainbow %V 2024 %N 16 June 2024 %8 January 28, 2004 %9 application/java %U

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