When an unpolarised light of intensity I gets polarised on passing through a polaroid, what will be the intensity ?
Answer & explanation
Correct answer: option 2
Average intensity : <I> = Io <cos2\(\theta \)>
<cos2\(\theta \)> = \(\frac{1}{2}\)
When an unpolarised light of intensity I gets polarised on passing through a polaroid, what will be the intensity ?
Correct answer: option 2
Average intensity : <I> = Io <cos2\(\theta \)>
<cos2\(\theta \)> = \(\frac{1}{2}\)