Physics Question from JEE Main 2023 · 29 January, Shift 1

Three identical polaroids $P_1$, $P_2$, and $P_3$ are placed one after another. The pass axis of $P_2$ and $P_3$ are inclined at angles of $60^\circ$ and $90^\circ$ with respect to the axis of $P_1$. The source $S$ has an intensity of $256 \, \text{W/m}^2$. The intensity of light at point $O$ is _____ $\text{W/m}^2$.