FIGURE 25-3 -Figure 25-3 Shows Three Polarizing Disks Having Parallel Planes with Parallel

question 9

Multiple Choice

FIGURE 25-3
-Figure 25-3 shows three polarizing disks having parallel planes with the direction of the transmission axis in each case. The disks are centered on a common axis. If a plane polarized beam of light is incident from left on the first disk with an intensity of 40 W/m². What is the transmitted intensity coming out of the third disk, when θ₁ = 10°, θ₂ = 40°, θ₃ = 70°?

• A) 40 W/m²
• B) 18 W/m²
• C) 1.5 W/m²
• D) 0 W/m²
• E) 22 W/m²

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