A polaroid is made of long chain molecules that are:
ARandom
BCurled
CBroken
DAligned
Answer & Solution
Correct answer: D. Aligned
1. A polaroid is a thin plastic like sheet.
2. Its long molecules all lie along one direction.
3. That direction sets the pass-axis of the polaroid.
_Source: NCERT Class 12 Physics Part II, Chapter 10, Wave Optics._
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