SECTION -A When unpolarised light is incident on the interface separating the rarer medium and the denser medium, Brewster angle is found to be 60^{\circ} . Determine the refractive index of the denser medium.

CBSE Class 12 Physics 2019 Delhi Set 2 Paper

Question : 1

Total: 6

SECTION -A

When unpolarised light is incident on the interface separating the rarer medium and the denser medium, Brewster angle is found to be 60∘ . Determine the refractive index of the denser medium.

Solution:

‌µ=tan‌ip
‌ip=60∘
‌µ=tan‌60∘=√3

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