Michelson interferometer. The mirror M1 in Figure 37.14 is moved a distance L. During this displacement, 250 fringe reversals (successive formation of dark to bright bands and vice versa) are counted. The light used has a wavelength of 632.8 nm. Calculate the displacement L. (R: 39.6 m).

M L1 Mo Fuente de luz Telescopic Figura 37.14