In an experiment, the optical behaviour of a material was studied. The intensity of light, I, reflected from a crystal of lithium fluoride was measured as the angular position, 0, of a polariser placed between the light source and the crystal was changed. Table 6.13 gives data of the intensity (in arbitrary units)] as a function of angle. Assume that the function that describes the data in Table 6.13 is of the form I = (Imax – Imin) cos (26) + Imin» where Imax and Imin are constants. %3D Using the slope and intercept, calculate Imax and Imin-
In an experiment, the optical behaviour of a material was studied. The intensity of light, I, reflected from a crystal of lithium fluoride was measured as the angular position, 0, of a polariser placed between the light source and the crystal was changed. Table 6.13 gives data of the intensity (in arbitrary units)] as a function of angle. Assume that the function that describes the data in Table 6.13 is of the form I = (Imax – Imin) cos (26) + Imin» where Imax and Imin are constants. %3D Using the slope and intercept, calculate Imax and Imin-
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