Problem $4$: $(20\%$ of Assignment Value$)$

Unpolarized light of intensity $I_0=750\frac{W}{m^2}$ is incident upon two polarizers. The first has its polarizing axis, vertical, and the axis of the second is rotated $=65$ from the vertical.

Randomized Variables

$I_0=750\frac{W}{m^2}$

$=65$

Part $($a$)$

What is the intensity of the light after it passes through the first polarizer in $\frac{W}{m^2}?$

$I_1=$

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Part $($b$)$

What is the intensity of the light after it passes through the second polarizer in $\frac{W}{m^2}?$