Physics - Wave Optics Question with Solution | TestHub

A plane polarized light is incident on a polariser with its pass axis making angle $\theta$ with $\mathrm{x}$-axis, as shown in the figure. At four different values of $\theta ,\theta =8^{\circ },38^{\circ },188^{\circ }$ and $218^{\circ }$, the observed intensities are same. What is the angle between the direction of polarization and $\mathrm{x}$-axis