As shown in the figure, the orientation of the transmission axis for each of three ideal polarizing sheets is labeled relative to the vertical direction. A beam of light, polarized in the vertical direction, is incident on the first polarizer with an intensity of

1.00 \mathrm {~kW} / \mathrm { m } ^ { 2 }

. What is the intensity of the beam after it has passed through the three polarizing sheets when

\theta _ { 1 } = 30 ^ { \circ } , \theta _ { 2 } = 30 ^ { \circ }

, and

\theta _ { 3 } =

60 ^ { \circ }

?
$As shown in the figure, the orientation of the transmission axis for each of three ideal polarizing sheets is labeled relative to the vertical direction. A beam of light, polarized in the vertical direction, is incident on the first polarizer with an intensity of 1.00 \mathrm {~kW} / \mathrm { m } ^ { 2 } . What is the intensity of the beam after it has passed through the three polarizing sheets when \theta _ { 1 } = 30 ^ { \circ } , \theta _ { 2 } = 30 ^ { \circ } , and \theta _ { 3 } = 60 ^ { \circ } ? A) 433 \mathrm {~W} / \mathrm { m } ^ { 2 } B) 141 \mathrm {~W} / \mathrm { m } ^ { 2 } C) 316 \mathrm {~W} / \mathrm { m } ^ { 2 } D) 563 \mathrm {~W} / \mathrm { m } ^ { 2 } E) 188 \mathrm {~W} / \mathrm { m } ^ { 2 }$

A)

433 \mathrm {~W} / \mathrm { m } ^ { 2 }

141 \mathrm {~W} / \mathrm { m } ^ { 2 }

316 \mathrm {~W} / \mathrm { m } ^ { 2 }

563 \mathrm {~W} / \mathrm { m } ^ { 2 }

188 \mathrm {~W} / \mathrm { m } ^ { 2 }

Which of the Following Changes Would Increase the Separation Between

Multiple Choice

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