# (Q).  The axes of the polariser and analyser are inclined to each other at 60 degrees.If the amplitude of polarised light emergent through analyser is A. The amplitude of unpolarised light incident on polariser is.  (a)A\2   (b)A   (c)2A   (d)2(2)^1\2A

Arun
25758 Points
4 years ago
Dear student

Theta1 = 60°
I = Io /2 cos² 60°
I = Io/8
Io = 8I
But I $\alpha$ A²
Hence
$\alpha$ sqrt (I)
Hence
Ao = sqrt(8) A
Ao = 2 * sqrt(2) * A
Option D is correct.