I1=2I0 IB=(I1)cos260∘ =2I0(21)2=8I0 IC=IBcos245∘ =8I0×(21)2=16I0
NEET UG 2024 — Physics Optics
2024mcqmedium
A beam of unpolarized light of intensity I0 is passed through a polaroid A, then through another polaroid B, oriented at 60∘ and finally through another polaroid C, oriented at 45∘ relative to B as shown. The intensity of emergent light is: 
Official previous-year question
Held on 30 Apr 2024 · Verified 9 Jul 2026.
Options
- A
16I0
- B
4I0
- C
2I0
- D
32I0
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