These movies use an animation loop. Switch to the non-looped version if your browser lacks support.
    These movies play at 10 frames per second. Switch to 30 frames per second for faster computers.

    Click on a picture to play animation.

    All electromagnetic waves travel at the same speed. So do the waves in these animations.
    Which has the longest wavelength? Which has the greatest frequency?

    Load all waves on same page. Warning: requires sufficient memory.

    Waves | Build a Better CD Player | ChemConnections