A beam of light strikes a piece of glass at a | vedclass

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(B) According to Brewster's law,when light is incident at the polarizing angle (Brewster's angle,$i_p$),the reflected light is completely plane-polari

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$\sqrt{3}$

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(B) According to Brewster's law,when light is incident at the polarizing angle (Brewster's angle,$i_p$),the reflected light is completely plane-polarized.In this case,the angle of incidence is given as $i = 60^{\circ}$,which is the polarizing angle.Brewster's law states that the refractive index $\mu$ of the medium is given by $\mu = 	an(i_p)$.Substituting the given value: $\mu = 	an(60^{\circ})$.Since $	an(60^{\circ}) = \sqrt{3}$,the refractive index of the glass is $\mu = \sqrt{3}$.

$A$ beam of light strikes a piece of glass at an angle of incidence of $60^{\circ}$ and the reflected beam is completely plane-polarized. The refractive index of glass is

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