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wlad13 [49]
3 years ago
13

Unpolarized light with intensity 370W/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 121W/m2 .
What is the angle from vertical of the axis of the second polarizing filter?
Express your answer to two significant figures and include the appropriate units
Physics
1 answer:
kherson [118]3 years ago
6 0

Answer:

Answer:

36°

Explanation:

Using

I= (1/2Io) cos²စ

Then Substituting

121W/m² = 1/2*370W/m²cos²စ

0.8086= cosစ

Cos^-1 0.8086= 36°

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