This java applet shows the relations between the electric field, magnetic field and wave vector when an electromagnetic wave propagates through space.

 

Red arrow	Blue arrow	Green arrow
Electric field E	Magnetic field B	Velocity vector of wave v
fixed	Click near tip of B then drag the mouse	keep v x B = E

Press start Button to start the animation:
 

electromagnetic waves propagate in opposite direction (from origin).

Press LEFT mouse button to pause the animation.

Press it again to resume.
Press RIGHT mouse button and drag the mouse to change the viewing angle.
Right click near the origin to move it.


T field is the period (in second)

Press Reset button to reset

Your comments/suggestions are highly appreciated. E-mail Click hwang@phy03.phy.ntnu.edu.tw

Author¡GFu-Kwun Hwang Dept. of Physics National Taiwan Normal Univ.

last modified ¡G