If intensity after passing through a polaroid is 100 Lumen. Now this same polaroid is rotated by 30° about it's axis then find new intensity after passing through it.
(1) 50 Lumen
(2) 100 Lumen
(3) 25 Lumen
(4) 65 Lumen
(1) 50 Lumen
(2) 100 Lumen
(3) 25 Lumen
(4) 65 Lumen