Lens in air and in a liquid.

Lens in liquid

Drag the lens into and out of the liquid in the QuickTime VR image.  Drag the lens or the dielectric interface in the Physlet. Notice that the lens can be converging or diverging depending on the index of refraction.

Enter a new value for the index  of refraction of the liquid.

n=

The lens in air and in a liquid IBE  is used with permission of Dr. Juergen Kirstein  (TU Berlin) and  the Deutsches Museum (Munich).