NEET-XII-Physics
neet 2020 questions with solutions year:2020
- #3The Brewsters angle `` i_b `` for an interface should be:
(A) `` 0°< i b < 30° ``
(B) `` 30°< i_b < 45° ``
(C) `` 45°< i_b < 90° ``
(D) `` i_b = 90° ``
digAnsr: CAns : `` \mu=tan\,i_{b} ``
`` 1<\,\mu<\,\infty ``
`` 1<\,tan\,i_{b}<\,\infty ``
`` tan^{-1}\left(1\right)<\,i_{b}<\,tan^{-1}\left(\infty\right) ``
`` 45^{\circ}<\,i_{b}<\,90^{\circ} ``