Question

In an experiment four polaroids are arranged at an
angle of 30° with each other. If intensity of plane
polarized light on the first polaroid is 10, what will be
intensity of transmitted light by the fourth polaroid.​

Answer 1

there will be 1 more step that I didn't mentioned and the final answer will be 4.22cos^2theta which will be 4.22×3/4= 3.165

Answer 2

Answer

here is ur answer

Step by step explanation

Hope it's helpful