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(a) Ordinary light incident on one Polar...

(a) Ordinary light incident on one Polaroid sheet falls on a second Polaroid whose plane of vibration makes an angle of `30^(@)` with that of the first Polaroid. If the Polaroids are assumed to be ideal, what is the fraction of the original light transmitted through both Polaroids?
(b) If the second Polaroid is rotted until the transmitted intensity is 10 percent of the incident intensity, what is the new angle?
`[(a)3//8, (b) 63.4^(@)]`

Answer

Step by step text solution for (a) Ordinary light incident on one Polaroid sheet falls on a second Polaroid whose plane of vibration makes an angle of 30^(@) with that of the first Polaroid. If the Polaroids are assumed to be ideal, what is the fraction of the original light transmitted through both Polaroids? (b) If the second Polaroid is rotted until the transmitted intensity is 10 percent of the incident intensity, what is the new angle? [(a)3//8, (b) 63.4^(@)] by PHYSICS experts to help you in doubts & scoring excellent marks in Class 12 exams.

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Knowledge Check

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    B
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    C
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  • Four polaroids are placed such that the optic axis of each is inclined at an angle of 30^(@) with the optic axis of the preceding one. If unpolarised light of intensity I_(0) falls on the first polaroid, the light transmitted from the fourth is

    A
    `I_(0)`
    B
    `I_(0)//16`
    C
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    D
    none

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