When unpolarized light is incident on the interface separating the rar

1.	When unpolarized light is incident on the interface separating the rarer medium and the denser medium, Brewster angle is found to b 60°. Determine the refractive index of the denser medium.
Answer» According to Brewster’s law, when unpolarized light is incident on the interface separating the rarer medium and the denser medium, the reflected light is fully polarized provided µ = tan i_p, where µ is refractive index of medium and i_p is polarizing angle or Brewster angle. Given: i_p = 60º. Therefore, µ = tan 60° = √3 = 1.732 Refractive index of denser medium is 1.732.

When unpolarized light is incident on the interface separating the rarer medium and the denser medium, Brewster angle is found to b 60°. Determine the refractive index of the denser medium.

Answer»

According to Brewster’s law, when unpolarized light is incident on the interface separating the rarer medium and the denser medium, the reflected light is fully polarized provided

µ = tan i_p,

where µ is refractive index of medium and i_p is polarizing angle or Brewster angle.

Given: i_p = 60º. Therefore,

µ = tan 60° = √3 = 1.732

Refractive index of denser medium is 1.732.

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When unpolarized light is incident on the interface separating the rarer medium and the denser medium, Brewster angle is found to b 60°. Determine the refractive index of the denser medium.

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