Four polarizers are placed in succession with their axes vertical, at 26.0 ∘ to the vertical, at 60.0∘ to the vertical, and at 90.0∘ to the vertical.
1. Calculate what fraction of the incident unpolarized light is transmitted by the four polarizers.
2.Can the transmitted light be decreased by removing one of the polarizers? If so, which one?
Check all that apply.
| First (vertical) |
| Second (26.0 ∘ to the vertical) |
| Third (60.0∘ to the vertical) |
| Forth (90.0∘ to the vertical) |
|
The transmitted light can't be decreased. |
3.
Can the transmitted light intensity be extinguished by removing polarizers? If so, which one(s)?
Check all that apply.
| First (vertical) |
| Second (26.0 ∘ to the vertical) |
| Third (60.0∘ to the vertical) |
| Forth (90.0∘ to the vertical) |
| The transmitted light intensity can't be extinguished. |
Four polarizers are placed in succession with their axes vertical, at 26.0 ∘ to the vertical,...
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A beam of initially unpolarized light passes through a sequence
of three ideal polarizers. The angle between the axes of the first
and second polarizers is 20.5°, and the angle between the axes of
the second and third polarizers is 50.7°. What is the ratio of the
intensity of light emerging from the third polarizer,
I3, to the intensity of light incident on the first
polarizer, I0?
I3 / I0 = ?
20.5 50.7 I