Figure 11 Representation of Foucault’s experiment comparing the speed of light in air to that in water. The mirror underneath rotates clockwise. (Source: University of Virginia http://galileo.phys.virginia.edu).
Figure 11 Representation of Foucault’s experiment comparing the speed of light in air to that in water. The mirror underneath rotates clockwise. (Source: University of Virginia http://galileo.phys.virginia.edu).