Answer:
(i) Refracting angle, \[{{r}_{p}}={{32}^{\circ }}\] Polarising angle, \[{{i}_{p}}={{90}^{\circ }}-{{r}_{p}}={{90}^{\circ }}-{{32}^{\circ }}=\mathbf{5}{{\mathbf{8}}^{\mathbf{o}}}\]. (ii) Refractive index of glass, \[\mu =\tan {{i}_{p}}=\tan {{58}^{\circ }}=\mathbf{1}\mathbf{.6}\] (iii) The polarisation components of electric field on the reflected and refracted rays are shown in Fig.
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