A beam of light strikes a pieces of glass at an angle of incident of $60^{0}$ and reflected beam is completely plane polarised. The reflective index of the glass is

1.5

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\sqrt{3}

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\sqrt{2}

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\sqrt{9}

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Solution

The correct option is B $\sqrt{3}$
$\begin{matrix} i = 60^{\circ} Brewester's Law μ = tan i μ = tan 60^{\circ} = \sqrt{3} \end{matrix}$

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The correct option is B √3i=60∘ Brewester's Law μ=taniμ=tan60∘=√3

A beam of light strikes a pieces of glass at an angle of incident of $60^{0}$ and reflected beam is completely plane polarised. The reflective index of the glass is

The correct option is B $\sqrt{3}$
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