Unpolarized light with intensity 300 W/m2 passes first through a polarizing filter with its axis vertical, then through a second polarizing filter. It emerges from the second filter with intensity 128 W/m2 . What is the angle from vertical of the axis of the second polarizing filter?
Unpolarized light with intensity
300 W/m2 passes first through a polarizing filter with its axis vertical, then through a second polarizing filter. It emerges from the second filter with intensity 128 W/m2 .
What is the angle from vertical of the axis of the second polarizing filter?