Physics · 2024
JEE Main · 30 January 2024, Shift 2 · Q45
A beam of unpolarised light of intensity I_o is passed through a polaroid A and then through another polaroid B which is oriented so that its…
A beam of unpolarised light of intensity $\displaystyle I_o$ is passed through a polaroid $\displaystyle A$ and then through another polaroid $\displaystyle B$ which is oriented so that its principal plane makes an angle of $\displaystyle 45^{\circ}$ relative to that of $\displaystyle A$. The intensity of emergent light is:
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle I_o / 4$
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.