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# Two polarizers have their axis inclined at $45^{\circ}$ to each other. If unpolarized light of intensity $I_{\circ}$ is incident on the first polarizer , then the intensity transmitted light through second polarizer is :

$\begin {array} {1 1} (1)\;\large\frac{I_{\circ}}{4} & \quad (2)\;\large\frac{I_{\circ}}{2} \\ (3)\;I_{\circ} & \quad (4)\;0 \end {array}$

(1) $\large\frac{I_{\circ}}{4}$