Last modified :¡@ (Average: 2 new java applets/month.)
Virtual Physics Laboratoryat NTNUPhysics
original site English http://www.phy.ntnu.edu.tw/java/index.html
Chinese http://www.phy.ntnu.edu.tw/demolab/index.html
22+ Mirror sites around the world (updated every two months). 
For Physics teachers: Let me know what kind of java applet you would like to see
and I will try to make it for your physics class.
(If you describe it in more detail, you will see it early.)  Click HERE.
New Applets:
Mechanics
 1. Reaction Time Measurements * 

   reaction time and car accident 

2. Traffic light system*

3. Relative Motion (frame of reference)

4. Free Rolling and circular motion¡@

5. Racing ball

6. One Dimensional Motion (XVA)

7. Projectile motion (Cannon to cannon)*

projection motion with air drag
8. Interesting properties of projectile motion

9, Bouncing balls

10. Angular momentum and area

11. Simple Harmonic Motion

12. Spring Force and Simple Harmonic Motion

13. Motion of a Ping-Pong
Dynamics 1. Pendulum * 

2. Center of Gravity

3. Kepler Motion * 

   Projectile/Satellite Orbits  (German) 

4. Pulley

5. Buoyant Force * 

6. Circulation motion and centripetal force

7. One-dimensional collision

8. Two-dimensional collision

9. frictional force and motion

10. In which direction will it roll?

11. Free body Force Diagram
Wave

&

oscillation

 1. Oscillation and wave (spring) * 

2. Moving point source (Doppler effect/Shock wave)

3. The location of an supersonic airplane

4. Double Slit (interference)

5. Superposition principle of wave * 

6. Fourier Synthesis * 

7. Transmission of Wave (Reflection and Refraction) * 

8. Interference between two waves (point sources)

9. Transverse Wave and Longitudinal Wave
Thermodynamics 1. Molecular model for an ideal gas (PV=NkT) * 

2. Brownian Motion

3. Carnot heat engine
Electromagnetic

field

 1. RC circuits (DC) 

2. RLC circuit (AC) 

3. Charged particle motion in uniform E/M Field * 

4. Propagation of electromagnetic wave*

5. Oscilloscope

6. cyclotron

7. Biot-Savart Law

8. Multimeter VOM
Optics

and

Light

 1. reflection/refraction (water/air interface)

2. Thin Lens / mirror *    thin lens combinations

3. Thick Lens java applet

4. Find the fastest Path

5. Physics of Rainbow * (How/Why?) 

6. "the world above the water surface" (refraction)

7. shadow/image and mixing colored light

8. Billiards and Physics

9. Fermat principle

10.mixing colored light beams / paint pigments.
   Color Magic show  (Director animation)
modern physics Space and Time in Special Relativity
Others 1. Vernier*

2. Vector Addition

3. Theorem of Pythagoras

Applet marked with * are registered at TIPTOP/VLAB,

Any comments/suggestions about my applets? send me mail

Fu-Kwun Hwang

Links to TIPTOP/VLAB Gamelan Multimedia Physik physics resource