Physics

Physics

Problem

A polarizer - analyser set is adjusted such that the intensity of light coming out of the analyser is just 10% of the original intensity. Assuming that the polarizer - analyser set does not absorb any light, the angle by which the analyser need to be rotated further to reduce the output intensity to be zero, is: [Main 7 Jan. 2020 I] (a) 71.6∘71.6^\circ (b) 18.4∘18.4^\circ (c) 90∘90^\circ (d) 45∘45^\circ

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