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Two polaroids are placed in the path of unpolarized beam of intensity  such that no light is emitted from the second polaroid.  If a third Polaroid whose polarization axis makes an angle  with the polarization axis of first Polaroid, is placed between these polaroids, then the intensity of light emerging from the last Polaroid will be

a)

b)

c)

d)



Question ID - 150140 | SaraNextGen Top Answer

Two polaroids are placed in the path of unpolarized beam of intensity  such that no light is emitted from the second polaroid.  If a third Polaroid whose polarization axis makes an angle  with the polarization axis of first Polaroid, is placed between these polaroids, then the intensity of light emerging from the last Polaroid will be

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

Let initial intensity of light is   So intensity of light after transmission from first Polaroid

Intensity of light emitted from

Intensity of light transmitted from last Polaroid

127 votes


127