At what angle should an unpolarised beam be i | vedclass

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(B) According to Brewster's Law,when an unpolarised light beam is incident on a transparent medium at the polarising angle $(i_p)$,the reflected light

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$60$

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(B) According to Brewster's Law,when an unpolarised light beam is incident on a transparent medium at the polarising angle $(i_p)$,the reflected light is completely plane-polarised.The relationship is given by: $	an(i_p) = \mu$Given the refractive index of the crystal is $\mu = \sqrt{3}$.Substituting the value: $	an(i_p) = \sqrt{3}$Since $	an(60^{\circ}) = \sqrt{3}$,we get:$i_p = 60^{\circ}$Therefore,the angle of incidence should be $60^{\circ}$.

At what angle should an unpolarised beam be incident on a crystal of $\mu = \sqrt{3}$,so that the reflected beam is polarised (in $^{\circ}$)?

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