Q 12-10-006NEETNEET 2020Top questionEasy
The Brewsters angle $i_b$ for an interface should be :
Answer: (C) $45° < i_b < 90°$
Concept. Brewster's law $\tan i_b = n$, with $n > 1$ for a denser medium.
Step 1. Range. $\tan i_b > 1$ and $i_b < 90°$, so $45° < i_b < 90°$.
Answer. $45° < i_b < 90°$ (Option C).
Solution by Sreeraj P, M.Sc Physics